61815675

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 107180640

約数和(自身を除く): 45364965

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 97, 145, 291, 293, 435, 485, 725, 879, 1455, 1465, 2175, 2425, 2813, 4395, 7275, 7325, 8439, 8497, 14065, 21975, 25491, 28421, 42195, 42485, 70325, 85263, 127455, 142105, 210975, 212425, 426315, 637275, 710525, 824209, 2131575, 2472627, 4121045, 12363135, 20605225, 61815675]

約数ペア:

[(1, 61815675), (3, 20605225), (5, 12363135), (15, 4121045), (25, 2472627), (29, 2131575), (75, 824209), (87, 710525), (97, 637275), (145, 426315), (291, 212425), (293, 210975), (435, 142105), (485, 127455), (725, 85263), (879, 70325), (1455, 42485), (1465, 42195), (2175, 28421), (2425, 25491), (2813, 21975), (4395, 14065), (7275, 8497), (7325, 8439)]