681003375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4817}}^1$

素因数の和:4877

約数の個数: 64

約数和(自身を含む): 1262701440

約数和(自身を除く): 581698065

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 65, 75, 87, 125, 145, 195, 325, 375, 377, 435, 725, 975, 1131, 1625, 1885, 2175, 3625, 4817, 4875, 5655, 9425, 10875, 14451, 24085, 28275, 47125, 62621, 72255, 120425, 139693, 141375, 187863, 313105, 361275, 419079, 602125, 698465, 939315, 1565525, 1806375, 1816009, 2095395, 3492325, 4696575, 5448027, 7827625, 9080045, 10476975, 17461625, 23482875, 27240135, 45400225, 52384875, 136200675, 227001125, 681003375]

約数ペア:

[(1, 681003375), (3, 227001125), (5, 136200675), (13, 52384875), (15, 45400225), (25, 27240135), (29, 23482875), (39, 17461625), (65, 10476975), (75, 9080045), (87, 7827625), (125, 5448027), (145, 4696575), (195, 3492325), (325, 2095395), (375, 1816009), (377, 1806375), (435, 1565525), (725, 939315), (975, 698465), (1131, 602125), (1625, 419079), (1885, 361275), (2175, 313105), (3625, 187863), (4817, 141375), (4875, 139693), (5655, 120425), (9425, 72255), (10875, 62621), (14451, 47125), (24085, 28275)]