64801425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{66463}}^1$

素因数の和:66489

約数の個数: 24

約数和(自身を含む): 115381504

約数和(自身を除く): 50580079

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 66463, 199389, 332315, 864019, 996945, 1661575, 2592057, 4320095, 4984725, 12960285, 21600475, 64801425]

約数ペア:

[(1, 64801425), (3, 21600475), (5, 12960285), (13, 4984725), (15, 4320095), (25, 2592057), (39, 1661575), (65, 996945), (75, 864019), (195, 332315), (325, 199389), (975, 66463)]