2016553875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24781}}^1$

素因数の和:24837

約数の個数: 64

約数和(自身を含む): 3958775808

約数和(自身を除く): 1942221933

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 75, 93, 105, 125, 155, 175, 217, 375, 465, 525, 651, 775, 875, 1085, 2325, 2625, 3255, 3875, 5425, 11625, 16275, 24781, 27125, 74343, 81375, 123905, 173467, 371715, 520401, 619525, 768211, 867335, 1858575, 2304633, 2602005, 3097625, 3841055, 4336675, 5377477, 9292875, 11523165, 13010025, 16132431, 19205275, 21683375, 26887385, 57615825, 65050125, 80662155, 96026375, 134436925, 288079125, 403310775, 672184625, 2016553875]

約数ペア:

[(1, 2016553875), (3, 672184625), (5, 403310775), (7, 288079125), (15, 134436925), (21, 96026375), (25, 80662155), (31, 65050125), (35, 57615825), (75, 26887385), (93, 21683375), (105, 19205275), (125, 16132431), (155, 13010025), (175, 11523165), (217, 9292875), (375, 5377477), (465, 4336675), (525, 3841055), (651, 3097625), (775, 2602005), (875, 2304633), (1085, 1858575), (2325, 867335), (2625, 768211), (3255, 619525), (3875, 520401), (5425, 371715), (11625, 173467), (16275, 123905), (24781, 81375), (27125, 74343)]