1990457865

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{365557}}^1$

素因数の和:365590

約数の個数: 36

約数和(自身を含む): 3792298692

約数和(自身を除く): 1801840827

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 1089, 1815, 5445, 365557, 1096671, 1827785, 3290013, 4021127, 5483355, 12063381, 16450065, 20105635, 36190143, 44232397, 60316905, 132697191, 180950715, 221161985, 398091573, 663485955, 1990457865]

約数ペア:

[(1, 1990457865), (3, 663485955), (5, 398091573), (9, 221161985), (11, 180950715), (15, 132697191), (33, 60316905), (45, 44232397), (55, 36190143), (99, 20105635), (121, 16450065), (165, 12063381), (363, 5483355), (495, 4021127), (605, 3290013), (1089, 1827785), (1815, 1096671), (5445, 365557)]