641163669

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{2393}}^1$

素因数の和:2537

約数の個数: 32

約数和(自身を含む): 916844544

約数和(自身を除く): 275680875

約数列:

[1, 3, 31, 43, 67, 93, 129, 201, 1333, 2077, 2393, 2881, 3999, 6231, 7179, 8643, 74183, 89311, 102899, 160331, 222549, 267933, 308697, 480993, 3189869, 4970261, 6894233, 9569607, 14910783, 20682699, 213721223, 641163669]

約数ペア:

[(1, 641163669), (3, 213721223), (31, 20682699), (43, 14910783), (67, 9569607), (93, 6894233), (129, 4970261), (201, 3189869), (1333, 480993), (2077, 308697), (2393, 267933), (2881, 222549), (3999, 160331), (6231, 102899), (7179, 89311), (8643, 74183)]