245895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1$

素因数の和:131

約数の個数: 24

約数和(自身を含む): 430416

約数和(自身を除く): 184521

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 169, 195, 291, 485, 507, 845, 1261, 1455, 2535, 3783, 6305, 16393, 18915, 49179, 81965, 245895]

約数ペア:

[(1, 245895), (3, 81965), (5, 49179), (13, 18915), (15, 16393), (39, 6305), (65, 3783), (97, 2535), (169, 1455), (195, 1261), (291, 845), (485, 507)]