28126455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8641}}^1$

素因数の和:8687

約数の個数: 32

約数和(自身を含む): 53096448

約数和(自身を除く): 24969993

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 8641, 25923, 43205, 60487, 129615, 181461, 267871, 302435, 803613, 907305, 1339355, 1875097, 4018065, 5625291, 9375485, 28126455]

約数ペア:

[(1, 28126455), (3, 9375485), (5, 5625291), (7, 4018065), (15, 1875097), (21, 1339355), (31, 907305), (35, 803613), (93, 302435), (105, 267871), (155, 181461), (217, 129615), (465, 60487), (651, 43205), (1085, 25923), (3255, 8641)]