31497855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{829}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 53784000

約数和(自身を除く): 22286145

約数列:

[1, 3, 5, 15, 17, 51, 85, 149, 255, 447, 745, 829, 2235, 2487, 2533, 4145, 7599, 12435, 12665, 14093, 37995, 42279, 70465, 123521, 211395, 370563, 617605, 1852815, 2099857, 6299571, 10499285, 31497855]

約数ペア:

[(1, 31497855), (3, 10499285), (5, 6299571), (15, 2099857), (17, 1852815), (51, 617605), (85, 370563), (149, 211395), (255, 123521), (447, 70465), (745, 42279), (829, 37995), (2235, 14093), (2487, 12665), (2533, 12435), (4145, 7599)]