215511303

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{853}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 336462336

約数和(自身を除く): 120951033

約数列:

[1, 3, 7, 21, 53, 159, 227, 371, 681, 853, 1113, 1589, 2559, 4767, 5971, 12031, 17913, 36093, 45209, 84217, 135627, 193631, 252651, 316463, 580893, 949389, 1355417, 4066251, 10262443, 30787329, 71837101, 215511303]

約数ペア:

[(1, 215511303), (3, 71837101), (7, 30787329), (21, 10262443), (53, 4066251), (159, 1355417), (227, 949389), (371, 580893), (681, 316463), (853, 252651), (1113, 193631), (1589, 135627), (2559, 84217), (4767, 45209), (5971, 36093), (12031, 17913)]