31278039

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 47566848

約数和(自身を除く): 16288809

約数列:

[1, 3, 13, 31, 39, 41, 93, 123, 403, 533, 631, 1209, 1271, 1599, 1893, 3813, 8203, 16523, 19561, 24609, 25871, 49569, 58683, 77613, 254293, 336323, 762879, 802001, 1008969, 2406003, 10426013, 31278039]

約数ペア:

[(1, 31278039), (3, 10426013), (13, 2406003), (31, 1008969), (39, 802001), (41, 762879), (93, 336323), (123, 254293), (403, 77613), (533, 58683), (631, 49569), (1209, 25871), (1271, 24609), (1599, 19561), (1893, 16523), (3813, 8203)]