2778375

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 4792320

約数和(自身を除く): 2013945

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 155, 239, 375, 465, 717, 775, 1195, 2325, 3585, 3875, 5975, 7409, 11625, 17925, 22227, 29875, 37045, 89625, 111135, 185225, 555675, 926125, 2778375]

約数ペア:

[(1, 2778375), (3, 926125), (5, 555675), (15, 185225), (25, 111135), (31, 89625), (75, 37045), (93, 29875), (125, 22227), (155, 17925), (239, 11625), (375, 7409), (465, 5975), (717, 3875), (775, 3585), (1195, 2325)]