25289025

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 44044800

約数和(自身を除く): 18755775

約数列:

[1, 3, 5, 15, 25, 31, 73, 75, 93, 149, 155, 219, 365, 447, 465, 745, 775, 1095, 1825, 2235, 2263, 2325, 3725, 4619, 5475, 6789, 10877, 11175, 11315, 13857, 23095, 32631, 33945, 54385, 56575, 69285, 115475, 163155, 169725, 271925, 337187, 346425, 815775, 1011561, 1685935, 5057805, 8429675, 25289025]

約数ペア:

[(1, 25289025), (3, 8429675), (5, 5057805), (15, 1685935), (25, 1011561), (31, 815775), (73, 346425), (75, 337187), (93, 271925), (149, 169725), (155, 163155), (219, 115475), (365, 69285), (447, 56575), (465, 54385), (745, 33945), (775, 32631), (1095, 23095), (1825, 13857), (2235, 11315), (2263, 11175), (2325, 10877), (3725, 6789), (4619, 5475)]