290429811

素因数分解:

$3^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{3343}}^1$

素因数の和:3560

約数の個数: 36

約数和(自身を含む): 490624992

約数和(自身を除く): 200195181

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 197, 441, 591, 1379, 1773, 3343, 4137, 9653, 10029, 12411, 23401, 28959, 30087, 70203, 86877, 163807, 210609, 491421, 658571, 1474263, 1975713, 4609997, 5927139, 13829991, 32269979, 41489973, 96809937, 290429811]

約数ペア:

[(1, 290429811), (3, 96809937), (7, 41489973), (9, 32269979), (21, 13829991), (49, 5927139), (63, 4609997), (147, 1975713), (197, 1474263), (441, 658571), (591, 491421), (1379, 210609), (1773, 163807), (3343, 86877), (4137, 70203), (9653, 30087), (10029, 28959), (12411, 23401)]