289721877

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{313}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 412369920

約数和(自身を除く): 122648043

約数列:

[1, 3, 31, 37, 93, 111, 269, 313, 807, 939, 1147, 3441, 8339, 9703, 9953, 11581, 25017, 29109, 29859, 34743, 84197, 252591, 308543, 359011, 925629, 1077033, 2610107, 3115289, 7830321, 9345867, 96573959, 289721877]

約数ペア:

[(1, 289721877), (3, 96573959), (31, 9345867), (37, 7830321), (93, 3115289), (111, 2610107), (269, 1077033), (313, 925629), (807, 359011), (939, 308543), (1147, 252591), (3441, 84197), (8339, 34743), (9703, 29859), (9953, 29109), (11581, 25017)]