56581791

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1301}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 91660800

約数和(自身を除く): 35079009

約数列:

[1, 3, 7, 19, 21, 57, 109, 133, 327, 399, 763, 1301, 2071, 2289, 3903, 6213, 9107, 14497, 24719, 27321, 43491, 74157, 141809, 173033, 425427, 519099, 992663, 2694371, 2977989, 8083113, 18860597, 56581791]

約数ペア:

[(1, 56581791), (3, 18860597), (7, 8083113), (19, 2977989), (21, 2694371), (57, 992663), (109, 519099), (133, 425427), (327, 173033), (399, 141809), (763, 74157), (1301, 43491), (2071, 27321), (2289, 24719), (3903, 14497), (6213, 9107)]