199951275

素因数分解:

$3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{16981}}^1$

素因数の和:17151

約数の個数: 24

約数和(自身を含む): 332711344

約数和(自身を除く): 132760069

約数列:

[1, 3, 5, 15, 25, 75, 157, 471, 785, 2355, 3925, 11775, 16981, 50943, 84905, 254715, 424525, 1273575, 2666017, 7998051, 13330085, 39990255, 66650425, 199951275]

約数ペア:

[(1, 199951275), (3, 66650425), (5, 39990255), (15, 13330085), (25, 7998051), (75, 2666017), (157, 1273575), (471, 424525), (785, 254715), (2355, 84905), (3925, 50943), (11775, 16981)]