71270715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{1009}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 121296960

約数和(自身を除く): 50026245

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 277, 831, 1009, 1385, 3027, 4155, 4709, 5045, 14127, 15135, 17153, 23545, 51459, 70635, 85765, 257295, 279493, 838479, 1397465, 4192395, 4751381, 14254143, 23756905, 71270715]

約数ペア:

[(1, 71270715), (3, 23756905), (5, 14254143), (15, 4751381), (17, 4192395), (51, 1397465), (85, 838479), (255, 279493), (277, 257295), (831, 85765), (1009, 70635), (1385, 51459), (3027, 23545), (4155, 17153), (4709, 15135), (5045, 14127)]