216805365

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2617}}^1$

素因数の和:2898

約数の個数: 48

約数和(自身を含む): 431278848

約数和(自身を除く): 214473483

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 263, 315, 789, 1315, 1841, 2367, 2617, 3945, 5523, 7851, 9205, 11835, 13085, 16569, 18319, 23553, 27615, 39255, 54957, 82845, 91595, 117765, 164871, 274785, 688271, 824355, 2064813, 3441355, 4817897, 6194439, 10324065, 14453691, 24089485, 30972195, 43361073, 72268455, 216805365]

約数ペア:

[(1, 216805365), (3, 72268455), (5, 43361073), (7, 30972195), (9, 24089485), (15, 14453691), (21, 10324065), (35, 6194439), (45, 4817897), (63, 3441355), (105, 2064813), (263, 824355), (315, 688271), (789, 274785), (1315, 164871), (1841, 117765), (2367, 91595), (2617, 82845), (3945, 54957), (5523, 39255), (7851, 27615), (9205, 23553), (11835, 18319), (13085, 16569)]