64638375

素因数分解:

$3^1\times 5^3\times {\mathrm{97}}^1\times {\mathrm{1777}}^1$

素因数の和:1892

約数の個数: 32

約数和(自身を含む): 108728256

約数和(自身を除く): 44089881

約数列:

[1, 3, 5, 15, 25, 75, 97, 125, 291, 375, 485, 1455, 1777, 2425, 5331, 7275, 8885, 12125, 26655, 36375, 44425, 133275, 172369, 222125, 517107, 666375, 861845, 2585535, 4309225, 12927675, 21546125, 64638375]

約数ペア:

[(1, 64638375), (3, 21546125), (5, 12927675), (15, 4309225), (25, 2585535), (75, 861845), (97, 666375), (125, 517107), (291, 222125), (375, 172369), (485, 133275), (1455, 44425), (1777, 36375), (2425, 26655), (5331, 12125), (7275, 8885)]