145671981

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{5501}}^1$

素因数の和:5621

約数の個数: 32

約数和(自身を含む): 241559808

約数和(自身を除く): 95887827

約数列:

[1, 3, 7, 13, 21, 39, 91, 97, 273, 291, 679, 1261, 2037, 3783, 5501, 8827, 16503, 26481, 38507, 71513, 115521, 214539, 500591, 533597, 1501773, 1600791, 3735179, 6936761, 11205537, 20810283, 48557327, 145671981]

約数ペア:

[(1, 145671981), (3, 48557327), (7, 20810283), (13, 11205537), (21, 6936761), (39, 3735179), (91, 1600791), (97, 1501773), (273, 533597), (291, 500591), (679, 214539), (1261, 115521), (2037, 71513), (3783, 38507), (5501, 26481), (8827, 16503)]