208126815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{17497}}^1$

素因数の和:17579

約数の個数: 32

約数和(自身を含む): 364518336

約数和(自身を除く): 156391521

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 2379, 3965, 11895, 17497, 52491, 87485, 227461, 262455, 682383, 1067317, 1137305, 3201951, 3411915, 5336585, 13875121, 16009755, 41625363, 69375605, 208126815]

約数ペア:

[(1, 208126815), (3, 69375605), (5, 41625363), (13, 16009755), (15, 13875121), (39, 5336585), (61, 3411915), (65, 3201951), (183, 1137305), (195, 1067317), (305, 682383), (793, 262455), (915, 227461), (2379, 87485), (3965, 52491), (11895, 17497)]