15665937273

素因数分解:

$3^4\times 7^1\times {\mathrm{27629519}}^1$

素因数の和:27629538

約数の個数: 20

約数和(自身を含む): 26745375360

約数和(自身を除く): 11079438087

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 27629519, 82888557, 193406633, 248665671, 580219899, 745997013, 1740659697, 2237991039, 5221979091, 15665937273]

約数ペア:

[(1, 15665937273), (3, 5221979091), (7, 2237991039), (9, 1740659697), (21, 745997013), (27, 580219899), (63, 248665671), (81, 193406633), (189, 82888557), (567, 27629519)]