390795.0000000

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 12789504

約数和(自身を除く): 6499899

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 63, 105, 123, 205, 287, 315, 369, 487, 615, 861, 1435, 1461, 1845, 2435, 2583, 3409, 4305, 4383, 7305, 10227, 12915, 17045, 19967, 21915, 30681, 51135, 59901, 99835, 139769, 153405, 179703, 299505, 419307, 698845, 898515, 1257921, 2096535, 6289605]

約数ペア:

[(1, 6289605), (3, 2096535), (5, 1257921), (7, 898515), (9, 698845), (15, 419307), (21, 299505), (35, 179703), (41, 153405), (45, 139769), (63, 99835), (105, 59901), (123, 51135), (205, 30681), (287, 21915), (315, 19967), (369, 17045), (487, 12915), (615, 10227), (861, 7305), (1435, 4383), (1461, 4305), (1845, 3409), (2435, 2583)]