906752721

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1\times {\mathrm{1163}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 1398140928

約数和(自身を除く): 491388207

約数列:

[1, 3, 7, 21, 137, 271, 411, 813, 959, 1163, 1897, 2877, 3489, 5691, 8141, 24423, 37127, 111381, 159331, 259889, 315173, 477993, 779667, 945519, 1115317, 2206211, 3345951, 6618633, 43178701, 129536103, 302250907, 906752721]

約数ペア:

[(1, 906752721), (3, 302250907), (7, 129536103), (21, 43178701), (137, 6618633), (271, 3345951), (411, 2206211), (813, 1115317), (959, 945519), (1163, 779667), (1897, 477993), (2877, 315173), (3489, 259889), (5691, 159331), (8141, 111381), (24423, 37127)]