31277205

素因数分解:

$3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1213}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 55941120

約数和(自身を除く): 24663915

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 191, 573, 955, 1213, 1719, 2865, 3639, 5157, 6065, 8595, 10917, 18195, 25785, 32751, 54585, 163755, 231683, 695049, 1158415, 2085147, 3475245, 6255441, 10425735, 31277205]

約数ペア:

[(1, 31277205), (3, 10425735), (5, 6255441), (9, 3475245), (15, 2085147), (27, 1158415), (45, 695049), (135, 231683), (191, 163755), (573, 54585), (955, 32751), (1213, 25785), (1719, 18195), (2865, 10917), (3639, 8595), (5157, 6065)]