81991602

素因数分解:

$2^1\times 3^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1$

素因数の和:355

約数の個数: 144

約数和(自身を含む): 234535392

約数和(自身を除く): 152543790

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 49, 54, 63, 66, 77, 81, 98, 99, 126, 147, 154, 162, 189, 198, 231, 243, 294, 297, 313, 378, 441, 462, 486, 539, 567, 594, 626, 693, 882, 891, 939, 1078, 1134, 1323, 1386, 1617, 1701, 1782, 1878, 2079, 2191, 2646, 2673, 2817, 3234, 3402, 3443, 3969, 4158, 4382, 4851, 5346, 5634, 6237, 6573, 6886, 7938, 8451, 9702, 10329, 11907, 12474, 13146, 14553, 15337, 16902, 18711, 19719, 20658, 23814, 24101, 25353, 29106, 30674, 30987, 37422, 39438, 43659, 46011, 48202, 50706, 59157, 61974, 72303, 76059, 87318, 92022, 92961, 118314, 130977, 138033, 144606, 152118, 168707, 177471, 185922, 216909, 261954, 276066, 278883, 337414, 354942, 414099, 433818, 506121, 532413, 557766, 650727, 828198, 836649, 1012242, 1064826, 1242297, 1301454, 1518363, 1673298, 1952181, 2484594, 3036726, 3726891, 3904362, 4555089, 5856543, 7453782, 9110178, 11713086, 13665267, 27330534, 40995801, 81991602]

約数ペア:

[(1, 81991602), (2, 40995801), (3, 27330534), (6, 13665267), (7, 11713086), (9, 9110178), (11, 7453782), (14, 5856543), (18, 4555089), (21, 3904362), (22, 3726891), (27, 3036726), (33, 2484594), (42, 1952181), (49, 1673298), (54, 1518363), (63, 1301454), (66, 1242297), (77, 1064826), (81, 1012242), (98, 836649), (99, 828198), (126, 650727), (147, 557766), (154, 532413), (162, 506121), (189, 433818), (198, 414099), (231, 354942), (243, 337414), (294, 278883), (297, 276066), (313, 261954), (378, 216909), (441, 185922), (462, 177471), (486, 168707), (539, 152118), (567, 144606), (594, 138033), (626, 130977), (693, 118314), (882, 92961), (891, 92022), (939, 87318), (1078, 76059), (1134, 72303), (1323, 61974), (1386, 59157), (1617, 50706), (1701, 48202), (1782, 46011), (1878, 43659), (2079, 39438), (2191, 37422), (2646, 30987), (2673, 30674), (2817, 29106), (3234, 25353), (3402, 24101), (3443, 23814), (3969, 20658), (4158, 19719), (4382, 18711), (4851, 16902), (5346, 15337), (5634, 14553), (6237, 13146), (6573, 12474), (6886, 11907), (7938, 10329), (8451, 9702)]