64874481

素因数分解:

$3^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{2551}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 101242944

約数和(自身を除く): 36368463

約数列:

[1, 3, 7, 21, 49, 147, 173, 519, 1211, 2551, 3633, 7653, 8477, 17857, 25431, 53571, 124999, 374997, 441323, 1323969, 3089261, 9267783, 21624827, 64874481]

約数ペア:

[(1, 64874481), (3, 21624827), (7, 9267783), (21, 3089261), (49, 1323969), (147, 441323), (173, 374997), (519, 124999), (1211, 53571), (2551, 25431), (3633, 17857), (7653, 8477)]