217668885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{13913}}^1$

素因数の和:14077

約数の個数: 32

約数和(自身を含む): 400723200

約数和(自身を除く): 183054315

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 745, 1043, 2235, 3129, 5215, 13913, 15645, 41739, 69565, 97391, 208695, 292173, 486955, 1460865, 2073037, 6219111, 10365185, 14511259, 31095555, 43533777, 72556295, 217668885]

約数ペア:

[(1, 217668885), (3, 72556295), (5, 43533777), (7, 31095555), (15, 14511259), (21, 10365185), (35, 6219111), (105, 2073037), (149, 1460865), (447, 486955), (745, 292173), (1043, 208695), (2235, 97391), (3129, 69565), (5215, 41739), (13913, 15645)]