128372271

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 183085056

約数和(自身を除く): 54712785

約数列:

[1, 3, 31, 41, 93, 123, 131, 257, 393, 771, 1271, 3813, 4061, 5371, 7967, 10537, 12183, 16113, 23901, 31611, 33667, 101001, 166501, 326647, 499503, 979941, 1043677, 1380347, 3131031, 4141041, 42790757, 128372271]

約数ペア:

[(1, 128372271), (3, 42790757), (31, 4141041), (41, 3131031), (93, 1380347), (123, 1043677), (131, 979941), (257, 499503), (393, 326647), (771, 166501), (1271, 101001), (3813, 33667), (4061, 31611), (5371, 23901), (7967, 16113), (10537, 12183)]