281339145

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{79139}}^1$

素因数の和:79229

約数の個数: 24

約数和(自身を含む): 493833600

約数和(自身を除く): 212494455

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 79139, 237417, 395695, 712251, 1187085, 3561255, 6251981, 18755943, 31259905, 56267829, 93779715, 281339145]

約数ペア:

[(1, 281339145), (3, 93779715), (5, 56267829), (9, 31259905), (15, 18755943), (45, 6251981), (79, 3561255), (237, 1187085), (395, 712251), (711, 395695), (1185, 237417), (3555, 79139)]