28532415

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 47056896

約数和(自身を除く): 18524481

約数列:

[1, 3, 5, 15, 71, 73, 213, 219, 355, 365, 367, 1065, 1095, 1101, 1835, 5183, 5505, 15549, 25915, 26057, 26791, 77745, 78171, 80373, 130285, 133955, 390855, 401865, 1902161, 5706483, 9510805, 28532415]

約数ペア:

[(1, 28532415), (3, 9510805), (5, 5706483), (15, 1902161), (71, 401865), (73, 390855), (213, 133955), (219, 130285), (355, 80373), (365, 78171), (367, 77745), (1065, 26791), (1095, 26057), (1101, 25915), (1835, 15549), (5183, 5505)]