217063485

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^2\times {\mathrm{257}}^1$

素因数の和:542

約数の個数: 36

約数和(自身を含む): 380484468

約数和(自身を除く): 163420983

約数列:

[1, 3, 5, 9, 15, 45, 137, 257, 411, 685, 771, 1233, 1285, 2055, 2313, 3855, 6165, 11565, 18769, 35209, 56307, 93845, 105627, 168921, 176045, 281535, 316881, 528135, 844605, 1584405, 4823633, 14470899, 24118165, 43412697, 72354495, 217063485]

約数ペア:

[(1, 217063485), (3, 72354495), (5, 43412697), (9, 24118165), (15, 14470899), (45, 4823633), (137, 1584405), (257, 844605), (411, 528135), (685, 316881), (771, 281535), (1233, 176045), (1285, 168921), (2055, 105627), (2313, 93845), (3855, 56307), (6165, 35209), (11565, 18769)]