1280491395

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1610681}}^1$

素因数の和:1610742

約数の個数: 16

約数和(自身を含む): 2087443872

約数和(自身を除く): 806952477

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 1610681, 4832043, 8053405, 24160215, 85366093, 256098279, 426830465, 1280491395]

約数ペア:

[(1, 1280491395), (3, 426830465), (5, 256098279), (15, 85366093), (53, 24160215), (159, 8053405), (265, 4832043), (795, 1610681)]