253993815

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{35951}}^1$

素因数の和:36119

約数の個数: 24

約数和(自身を含む): 443072448

約数和(自身を除く): 189078633

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 35951, 107853, 179755, 323559, 539265, 1617795, 5644307, 16932921, 28221535, 50798763, 84664605, 253993815]

約数ペア:

[(1, 253993815), (3, 84664605), (5, 50798763), (9, 28221535), (15, 16932921), (45, 5644307), (157, 1617795), (471, 539265), (785, 323559), (1413, 179755), (2355, 107853), (7065, 35951)]