520012215

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1\times {\mathrm{509}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 918440640

約数和(自身を除く): 398428425

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 311, 365, 509, 657, 933, 1095, 1527, 1555, 2545, 2799, 3285, 4581, 4665, 7635, 13995, 22703, 22905, 37157, 68109, 111471, 113515, 158299, 185785, 204327, 334413, 340545, 474897, 557355, 791495, 1021635, 1424691, 1672065, 2374485, 7123455, 11555827, 34667481, 57779135, 104002443, 173337405, 520012215]

約数ペア:

[(1, 520012215), (3, 173337405), (5, 104002443), (9, 57779135), (15, 34667481), (45, 11555827), (73, 7123455), (219, 2374485), (311, 1672065), (365, 1424691), (509, 1021635), (657, 791495), (933, 557355), (1095, 474897), (1527, 340545), (1555, 334413), (2545, 204327), (2799, 185785), (3285, 158299), (4581, 113515), (4665, 111471), (7635, 68109), (13995, 37157), (22703, 22905)]