71608545

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1609}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 132612480

約数和(自身を除く): 61003935

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 69, 115, 129, 207, 215, 345, 387, 645, 989, 1035, 1609, 1935, 2967, 4827, 4945, 8045, 8901, 14481, 14835, 24135, 37007, 44505, 69187, 72405, 111021, 185035, 207561, 333063, 345935, 555105, 622683, 1037805, 1591301, 1665315, 3113415, 4773903, 7956505, 14321709, 23869515, 71608545]

約数ペア:

[(1, 71608545), (3, 23869515), (5, 14321709), (9, 7956505), (15, 4773903), (23, 3113415), (43, 1665315), (45, 1591301), (69, 1037805), (115, 622683), (129, 555105), (207, 345935), (215, 333063), (345, 207561), (387, 185035), (645, 111021), (989, 72405), (1035, 69187), (1609, 44505), (1935, 37007), (2967, 24135), (4827, 14835), (4945, 14481), (8045, 8901)]