16521375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3389}}^1$

素因数の和:3420

約数の個数: 32

約数和(自身を含む): 29615040

約数和(自身を除く): 13093665

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 3389, 4875, 10167, 16945, 44057, 50835, 84725, 132171, 220285, 254175, 423625, 660855, 1101425, 1270875, 3304275, 5507125, 16521375]

約数ペア:

[(1, 16521375), (3, 5507125), (5, 3304275), (13, 1270875), (15, 1101425), (25, 660855), (39, 423625), (65, 254175), (75, 220285), (125, 132171), (195, 84725), (325, 50835), (375, 44057), (975, 16945), (1625, 10167), (3389, 4875)]