156980901

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4889}}^1$

素因数の和:5049

約数の個数: 32

約数和(自身を含む): 262886400

約数和(自身を除く): 105905499

約数列:

[1, 3, 7, 11, 21, 33, 77, 139, 231, 417, 973, 1529, 2919, 4587, 4889, 10703, 14667, 32109, 34223, 53779, 102669, 161337, 376453, 679571, 1129359, 2038713, 4756997, 7475281, 14270991, 22425843, 52326967, 156980901]

約数ペア:

[(1, 156980901), (3, 52326967), (7, 22425843), (11, 14270991), (21, 7475281), (33, 4756997), (77, 2038713), (139, 1129359), (231, 679571), (417, 376453), (973, 161337), (1529, 102669), (2919, 53779), (4587, 34223), (4889, 32109), (10703, 14667)]