2178375

素因数分解:

$3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 3746496

約数和(自身を除く): 1568121

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 125, 157, 185, 375, 471, 555, 785, 925, 2355, 2775, 3925, 4625, 5809, 11775, 13875, 17427, 19625, 29045, 58875, 87135, 145225, 435675, 726125, 2178375]

約数ペア:

[(1, 2178375), (3, 726125), (5, 435675), (15, 145225), (25, 87135), (37, 58875), (75, 29045), (111, 19625), (125, 17427), (157, 13875), (185, 11775), (375, 5809), (471, 4625), (555, 3925), (785, 2775), (925, 2355)]