157655901

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1553}}^1$

素因数の和:1725

約数の個数: 32

約数和(自身を含む): 240186240

約数和(自身を除く): 82530339

約数列:

[1, 3, 13, 19, 39, 57, 137, 247, 411, 741, 1553, 1781, 2603, 4659, 5343, 7809, 20189, 29507, 33839, 60567, 88521, 101517, 212761, 383591, 638283, 1150773, 2765893, 4042459, 8297679, 12127377, 52551967, 157655901]

約数ペア:

[(1, 157655901), (3, 52551967), (13, 12127377), (19, 8297679), (39, 4042459), (57, 2765893), (137, 1150773), (247, 638283), (411, 383591), (741, 212761), (1553, 101517), (1781, 88521), (2603, 60567), (4659, 33839), (5343, 29507), (7809, 20189)]