77589813

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 120556800

約数和(自身を除く): 42966987

約数列:

[1, 3, 7, 21, 137, 149, 181, 411, 447, 543, 959, 1043, 1267, 2877, 3129, 3801, 20413, 24797, 26969, 61239, 74391, 80907, 142891, 173579, 188783, 428673, 520737, 566349, 3694753, 11084259, 25863271, 77589813]

約数ペア:

[(1, 77589813), (3, 25863271), (7, 11084259), (21, 3694753), (137, 566349), (149, 520737), (181, 428673), (411, 188783), (447, 173579), (543, 142891), (959, 80907), (1043, 74391), (1267, 61239), (2877, 26969), (3129, 24797), (3801, 20413)]