28550745

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3467}}^1$

素因数の和:3542

約数の個数: 32

約数和(自身を含む): 51603840

約数和(自身を除く): 23053095

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 3467, 8235, 10401, 17335, 31203, 52005, 93609, 156015, 211487, 468045, 634461, 1057435, 1903383, 3172305, 5710149, 9516915, 28550745]

約数ペア:

[(1, 28550745), (3, 9516915), (5, 5710149), (9, 3172305), (15, 1903383), (27, 1057435), (45, 634461), (61, 468045), (135, 211487), (183, 156015), (305, 93609), (549, 52005), (915, 31203), (1647, 17335), (2745, 10401), (3467, 8235)]