319957695

素因数分解:

$3^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1609}}^1$

素因数の和:2117

約数の個数: 40

約数和(自身を含む): 575079120

約数和(自身を除く): 255121425

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 491, 1473, 1609, 2455, 4419, 4827, 7365, 8045, 13257, 14481, 22095, 24135, 39771, 43443, 66285, 72405, 130329, 198855, 217215, 651645, 790019, 2370057, 3950095, 7110171, 11850285, 21330513, 35550855, 63991539, 106652565, 319957695]

約数ペア:

[(1, 319957695), (3, 106652565), (5, 63991539), (9, 35550855), (15, 21330513), (27, 11850285), (45, 7110171), (81, 3950095), (135, 2370057), (405, 790019), (491, 651645), (1473, 217215), (1609, 198855), (2455, 130329), (4419, 72405), (4827, 66285), (7365, 43443), (8045, 39771), (13257, 24135), (14481, 22095)]