251287581

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4051}}^1$

素因数の和:4137

約数の個数: 32

約数和(自身を含む): 373432320

約数和(自身を除く): 122144739

約数列:

[1, 3, 23, 29, 31, 69, 87, 93, 667, 713, 899, 2001, 2139, 2697, 4051, 12153, 20677, 62031, 93173, 117479, 125581, 279519, 352437, 376743, 2702017, 2888363, 3641849, 8106051, 8665089, 10925547, 83762527, 251287581]

約数ペア:

[(1, 251287581), (3, 83762527), (23, 10925547), (29, 8665089), (31, 8106051), (69, 3641849), (87, 2888363), (93, 2702017), (667, 376743), (713, 352437), (899, 279519), (2001, 125581), (2139, 117479), (2697, 93173), (4051, 62031), (12153, 20677)]