11870985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 22851072

約数和(自身を除く): 10980087

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 93, 105, 147, 155, 217, 245, 465, 521, 651, 735, 1085, 1519, 1563, 2605, 3255, 3647, 4557, 7595, 7815, 10941, 16151, 18235, 22785, 25529, 48453, 54705, 76587, 80755, 113057, 127645, 242265, 339171, 382935, 565285, 791399, 1695855, 2374197, 3956995, 11870985]

約数ペア:

[(1, 11870985), (3, 3956995), (5, 2374197), (7, 1695855), (15, 791399), (21, 565285), (31, 382935), (35, 339171), (49, 242265), (93, 127645), (105, 113057), (147, 80755), (155, 76587), (217, 54705), (245, 48453), (465, 25529), (521, 22785), (651, 18235), (735, 16151), (1085, 10941), (1519, 7815), (1563, 7595), (2605, 4557), (3255, 3647)]