47191431

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 74188800

約数和(自身を除く): 26997369

約数列:

[1, 3, 7, 21, 47, 137, 141, 329, 349, 411, 959, 987, 1047, 2443, 2877, 6439, 7329, 16403, 19317, 45073, 47813, 49209, 114821, 135219, 143439, 334691, 344463, 1004073, 2247211, 6741633, 15730477, 47191431]

約数ペア:

[(1, 47191431), (3, 15730477), (7, 6741633), (21, 2247211), (47, 1004073), (137, 344463), (141, 334691), (329, 143439), (349, 135219), (411, 114821), (959, 49209), (987, 47813), (1047, 45073), (2443, 19317), (2877, 16403), (6439, 7329)]