159561405

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{208577}}^1$

素因数の和:208605

約数の個数: 24

約数和(自身を含む): 292843512

約数和(自身を除く): 133282107

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 208577, 625731, 1042885, 1877193, 3128655, 3545809, 9385965, 10637427, 17729045, 31912281, 53187135, 159561405]

約数ペア:

[(1, 159561405), (3, 53187135), (5, 31912281), (9, 17729045), (15, 10637427), (17, 9385965), (45, 3545809), (51, 3128655), (85, 1877193), (153, 1042885), (255, 625731), (765, 208577)]