261954

素因数分解:

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

素因数の和:42

約数の個数: 72

約数和(自身を含む): 746928

約数和(自身を除く): 484974

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, 378, 441, 462, 486, 539, 567, 594, 693, 882, 891, 1078, 1134, 1323, 1386, 1617, 1701, 1782, 2079, 2646, 2673, 3234, 3402, 3969, 4158, 4851, 5346, 6237, 7938, 9702, 11907, 12474, 14553, 18711, 23814, 29106, 37422, 43659, 87318, 130977, 261954]

約数ペア:

[(1, 261954), (2, 130977), (3, 87318), (6, 43659), (7, 37422), (9, 29106), (11, 23814), (14, 18711), (18, 14553), (21, 12474), (22, 11907), (27, 9702), (33, 7938), (42, 6237), (49, 5346), (54, 4851), (63, 4158), (66, 3969), (77, 3402), (81, 3234), (98, 2673), (99, 2646), (126, 2079), (147, 1782), (154, 1701), (162, 1617), (189, 1386), (198, 1323), (231, 1134), (243, 1078), (294, 891), (297, 882), (378, 693), (441, 594), (462, 567), (486, 539)]