128520717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 189987840

約数和(自身を除く): 61467123

約数列:

[1, 3, 13, 39, 61, 89, 183, 267, 607, 793, 1157, 1821, 2379, 3471, 5429, 7891, 16287, 23673, 37027, 54023, 70577, 111081, 162069, 211731, 481351, 702299, 1444053, 2106897, 3295403, 9886209, 42840239, 128520717]

約数ペア:

[(1, 128520717), (3, 42840239), (13, 9886209), (39, 3295403), (61, 2106897), (89, 1444053), (183, 702299), (267, 481351), (607, 211731), (793, 162069), (1157, 111081), (1821, 70577), (2379, 54023), (3471, 37027), (5429, 23673), (7891, 16287)]