2258865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 4582656

約数和(自身を除く): 2323791

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 101, 105, 213, 303, 315, 355, 497, 505, 639, 707, 909, 1065, 1491, 1515, 2121, 2485, 3195, 3535, 4473, 4545, 6363, 7171, 7455, 10605, 21513, 22365, 31815, 35855, 50197, 64539, 107565, 150591, 250985, 322695, 451773, 752955, 2258865]

約数ペア:

[(1, 2258865), (3, 752955), (5, 451773), (7, 322695), (9, 250985), (15, 150591), (21, 107565), (35, 64539), (45, 50197), (63, 35855), (71, 31815), (101, 22365), (105, 21513), (213, 10605), (303, 7455), (315, 7171), (355, 6363), (497, 4545), (505, 4473), (639, 3535), (707, 3195), (909, 2485), (1065, 2121), (1491, 1515)]