15901291203

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{789577}}^1$

素因数の和:789731

約数の個数: 24

約数和(自身を含む): 24843282192

約数和(自身を除く): 8941990989

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 959, 2877, 6713, 20139, 789577, 2368731, 5527039, 16581117, 38689273, 108172049, 116067819, 324516147, 757204343, 2271613029, 5300430401, 15901291203]

約数ペア:

[(1, 15901291203), (3, 5300430401), (7, 2271613029), (21, 757204343), (49, 324516147), (137, 116067819), (147, 108172049), (411, 38689273), (959, 16581117), (2877, 5527039), (6713, 2368731), (20139, 789577)]