31856643

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 57360576

約数和(自身を除く): 25503933

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 97, 117, 273, 291, 401, 679, 819, 873, 1203, 1261, 2037, 2807, 3609, 3783, 5213, 6111, 8421, 8827, 11349, 15639, 25263, 26481, 36491, 38897, 46917, 79443, 109473, 116691, 272279, 328419, 350073, 505661, 816837, 1516983, 2450511, 3539627, 4550949, 10618881, 31856643]

約数ペア:

[(1, 31856643), (3, 10618881), (7, 4550949), (9, 3539627), (13, 2450511), (21, 1516983), (39, 816837), (63, 505661), (91, 350073), (97, 328419), (117, 272279), (273, 116691), (291, 109473), (401, 79443), (679, 46917), (819, 38897), (873, 36491), (1203, 26481), (1261, 25263), (2037, 15639), (2807, 11349), (3609, 8827), (3783, 8421), (5213, 6111)]