880065

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:111

約数の個数: 40

約数和(自身を含む): 1646568

約数和(自身を除く): 766503

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 53, 81, 123, 135, 159, 205, 265, 369, 405, 477, 615, 795, 1107, 1431, 1845, 2173, 2385, 3321, 4293, 5535, 6519, 7155, 10865, 16605, 19557, 21465, 32595, 58671, 97785, 176013, 293355, 880065]

約数ペア:

[(1, 880065), (3, 293355), (5, 176013), (9, 97785), (15, 58671), (27, 32595), (41, 21465), (45, 19557), (53, 16605), (81, 10865), (123, 7155), (135, 6519), (159, 5535), (205, 4293), (265, 3321), (369, 2385), (405, 2173), (477, 1845), (615, 1431), (795, 1107)]