205125720165

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2579711}}^1$

素因数の和:2579775

約数の個数: 64

約数和(自身を含む): 396243763200

約数和(自身を除く): 191118043035

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 45, 57, 93, 95, 135, 155, 171, 279, 285, 465, 513, 589, 837, 855, 1395, 1767, 2565, 2945, 4185, 5301, 8835, 15903, 26505, 79515, 2579711, 7739133, 12898555, 23217399, 38695665, 49014509, 69652197, 79971041, 116086995, 147043527, 239913123, 245072545, 348260985, 399855205, 441130581, 719739369, 735217635, 1199565615, 1323391743, 1519449779, 2159218107, 2205652905, 3598696845, 4558349337, 6616958715, 7597248895, 10796090535, 13675048011, 22791746685, 41025144033, 68375240055, 205125720165]

約数ペア:

[(1, 205125720165), (3, 68375240055), (5, 41025144033), (9, 22791746685), (15, 13675048011), (19, 10796090535), (27, 7597248895), (31, 6616958715), (45, 4558349337), (57, 3598696845), (93, 2205652905), (95, 2159218107), (135, 1519449779), (155, 1323391743), (171, 1199565615), (279, 735217635), (285, 719739369), (465, 441130581), (513, 399855205), (589, 348260985), (837, 245072545), (855, 239913123), (1395, 147043527), (1767, 116086995), (2565, 79971041), (2945, 69652197), (4185, 49014509), (5301, 38695665), (8835, 23217399), (15903, 12898555), (26505, 7739133), (79515, 2579711)]