31378815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53639}}^1$

素因数の和:53663

約数の個数: 24

約数和(自身を含む): 58574880

約数和(自身を除く): 27196065

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 53639, 160917, 268195, 482751, 697307, 804585, 2091921, 2413755, 3486535, 6275763, 10459605, 31378815]

約数ペア:

[(1, 31378815), (3, 10459605), (5, 6275763), (9, 3486535), (13, 2413755), (15, 2091921), (39, 804585), (45, 697307), (65, 482751), (117, 268195), (195, 160917), (585, 53639)]