75810987

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1669}}^1$

素因数の和:1792

約数の個数: 36

約数和(自身を含む): 128696880

約数和(自身を除く): 52885893

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 309, 441, 721, 927, 1669, 2163, 5007, 5047, 6489, 11683, 15021, 15141, 35049, 45423, 81781, 105147, 171907, 245343, 515721, 736029, 1203349, 1547163, 3610047, 8423443, 10830141, 25270329, 75810987]

約数ペア:

[(1, 75810987), (3, 25270329), (7, 10830141), (9, 8423443), (21, 3610047), (49, 1547163), (63, 1203349), (103, 736029), (147, 515721), (309, 245343), (441, 171907), (721, 105147), (927, 81781), (1669, 45423), (2163, 35049), (5007, 15141), (5047, 15021), (6489, 11683)]