1881306

素因数分解:

$2^1\times 3^5\times 7^2\times {\mathrm{79}}^1$

素因数の和:110

約数の個数: 72

約数和(自身を含む): 4979520

約数和(自身を除く): 3098214

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 79, 81, 98, 126, 147, 158, 162, 189, 237, 243, 294, 378, 441, 474, 486, 553, 567, 711, 882, 1106, 1134, 1323, 1422, 1659, 1701, 2133, 2646, 3318, 3402, 3871, 3969, 4266, 4977, 6399, 7742, 7938, 9954, 11613, 11907, 12798, 14931, 19197, 23226, 23814, 29862, 34839, 38394, 44793, 69678, 89586, 104517, 134379, 209034, 268758, 313551, 627102, 940653, 1881306]

約数ペア:

[(1, 1881306), (2, 940653), (3, 627102), (6, 313551), (7, 268758), (9, 209034), (14, 134379), (18, 104517), (21, 89586), (27, 69678), (42, 44793), (49, 38394), (54, 34839), (63, 29862), (79, 23814), (81, 23226), (98, 19197), (126, 14931), (147, 12798), (158, 11907), (162, 11613), (189, 9954), (237, 7938), (243, 7742), (294, 6399), (378, 4977), (441, 4266), (474, 3969), (486, 3871), (553, 3402), (567, 3318), (711, 2646), (882, 2133), (1106, 1701), (1134, 1659), (1323, 1422)]