645988455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{4211}}^1$

素因数の和:4716

約数の個数: 48

約数和(自身を含む): 1282604544

約数和(自身を除く): 636616089

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 487, 1461, 2435, 3409, 4211, 4383, 7305, 10227, 12633, 17045, 21055, 21915, 29477, 30681, 37899, 51135, 63165, 88431, 147385, 153405, 189495, 265293, 442155, 1326465, 2050757, 6152271, 10253785, 14355299, 18456813, 30761355, 43065897, 71776495, 92284065, 129197691, 215329485, 645988455]

約数ペア:

[(1, 645988455), (3, 215329485), (5, 129197691), (7, 92284065), (9, 71776495), (15, 43065897), (21, 30761355), (35, 18456813), (45, 14355299), (63, 10253785), (105, 6152271), (315, 2050757), (487, 1326465), (1461, 442155), (2435, 265293), (3409, 189495), (4211, 153405), (4383, 147385), (7305, 88431), (10227, 63165), (12633, 51135), (17045, 37899), (21055, 30681), (21915, 29477)]