201840915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{1231}}^1$

素因数の和:1899

約数の個数: 32

約数和(自身を含む): 342752256

約数和(自身を除く): 140911341

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 643, 1231, 1929, 3215, 3693, 6155, 9645, 10931, 18465, 20927, 32793, 54655, 62781, 104635, 163965, 313905, 791533, 2374599, 3957665, 11872995, 13456061, 40368183, 67280305, 201840915]

約数ペア:

[(1, 201840915), (3, 67280305), (5, 40368183), (15, 13456061), (17, 11872995), (51, 3957665), (85, 2374599), (255, 791533), (643, 313905), (1231, 163965), (1929, 104635), (3215, 62781), (3693, 54655), (6155, 32793), (9645, 20927), (10931, 18465)]