210955017

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{1721}}^1$

素因数の和:2193

約数の個数: 32

約数和(自身を含む): 347155200

約数和(自身を除く): 136200183

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 449, 1347, 1721, 3143, 5163, 5837, 9429, 12047, 17511, 22373, 36141, 40859, 67119, 122577, 156611, 469833, 772729, 2318187, 5409103, 10045477, 16227309, 30136431, 70318339, 210955017]

約数ペア:

[(1, 210955017), (3, 70318339), (7, 30136431), (13, 16227309), (21, 10045477), (39, 5409103), (91, 2318187), (273, 772729), (449, 469833), (1347, 156611), (1721, 122577), (3143, 67119), (5163, 40859), (5837, 36141), (9429, 22373), (12047, 17511)]