54459375

素因数分解:

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

素因数の和:222

約数の個数: 48

約数和(自身を含む): 93806496

約数和(自身を除く): 39347121

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 125, 157, 185, 375, 471, 555, 625, 785, 925, 1875, 2355, 2775, 3125, 3925, 4625, 5809, 9375, 11775, 13875, 17427, 19625, 23125, 29045, 58875, 69375, 87135, 98125, 115625, 145225, 294375, 346875, 435675, 490625, 726125, 1471875, 2178375, 3630625, 10891875, 18153125, 54459375]

約数ペア:

[(1, 54459375), (3, 18153125), (5, 10891875), (15, 3630625), (25, 2178375), (37, 1471875), (75, 726125), (111, 490625), (125, 435675), (157, 346875), (185, 294375), (375, 145225), (471, 115625), (555, 98125), (625, 87135), (785, 69375), (925, 58875), (1875, 29045), (2355, 23125), (2775, 19625), (3125, 17427), (3925, 13875), (4625, 11775), (5809, 9375)]