2545875

素因数分解:

$3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 4802304

約数和(自身を除く): 2256429

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 73, 75, 93, 125, 155, 219, 225, 279, 365, 375, 465, 657, 775, 1095, 1125, 1395, 1825, 2263, 2325, 3285, 3875, 5475, 6789, 6975, 9125, 11315, 11625, 16425, 20367, 27375, 33945, 34875, 56575, 82125, 101835, 169725, 282875, 509175, 848625, 2545875]

約数ペア:

[(1, 2545875), (3, 848625), (5, 509175), (9, 282875), (15, 169725), (25, 101835), (31, 82125), (45, 56575), (73, 34875), (75, 33945), (93, 27375), (125, 20367), (155, 16425), (219, 11625), (225, 11315), (279, 9125), (365, 6975), (375, 6789), (465, 5475), (657, 3875), (775, 3285), (1095, 2325), (1125, 2263), (1395, 1825)]