243313775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{3163}}^1$

素因数の和:3371

約数の個数: 24

約数和(自身を含む): 321323184

約数和(自身を除く): 78009409

約数列:

[1, 5, 17, 25, 85, 181, 425, 905, 3077, 3163, 4525, 15385, 15815, 53771, 76925, 79075, 268855, 572503, 1344275, 2862515, 9732551, 14312575, 48662755, 243313775]

約数ペア:

[(1, 243313775), (5, 48662755), (17, 14312575), (25, 9732551), (85, 2862515), (181, 1344275), (425, 572503), (905, 268855), (3077, 79075), (3163, 76925), (4525, 53771), (15385, 15815)]