64638045

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20231}}^1$

素因数の和:20313

約数の個数: 24

約数和(自身を含む): 113622912

約数和(自身を除く): 48984867

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 20231, 60693, 101155, 182079, 303465, 910395, 1436401, 4309203, 7182005, 12927609, 21546015, 64638045]

約数ペア:

[(1, 64638045), (3, 21546015), (5, 12927609), (9, 7182005), (15, 4309203), (45, 1436401), (71, 910395), (213, 303465), (355, 182079), (639, 101155), (1065, 60693), (3195, 20231)]