520183875

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1621

約数の個数: 64

約数和(自身を含む): 924917760

約数和(自身を除く): 404733885

約数列:

[1, 3, 5, 15, 25, 29, 31, 75, 87, 93, 125, 145, 155, 375, 435, 465, 725, 775, 899, 1543, 2175, 2325, 2697, 3625, 3875, 4495, 4629, 7715, 10875, 11625, 13485, 22475, 23145, 38575, 44747, 47833, 67425, 112375, 115725, 134241, 143499, 192875, 223735, 239165, 337125, 578625, 671205, 717495, 1118675, 1195825, 1387157, 3356025, 3587475, 4161471, 5593375, 5979125, 6935785, 16780125, 17937375, 20807355, 34678925, 104036775, 173394625, 520183875]

約数ペア:

[(1, 520183875), (3, 173394625), (5, 104036775), (15, 34678925), (25, 20807355), (29, 17937375), (31, 16780125), (75, 6935785), (87, 5979125), (93, 5593375), (125, 4161471), (145, 3587475), (155, 3356025), (375, 1387157), (435, 1195825), (465, 1118675), (725, 717495), (775, 671205), (899, 578625), (1543, 337125), (2175, 239165), (2325, 223735), (2697, 192875), (3625, 143499), (3875, 134241), (4495, 115725), (4629, 112375), (7715, 67425), (10875, 47833), (11625, 44747), (13485, 38575), (22475, 23145)]