61840107

素因数分解:

$3^2\times 7^2\times {\mathrm{140227}}^1$

素因数の和:140247

約数の個数: 18

約数和(自身を含む): 103908948

約数和(自身を除く): 42068841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 140227, 420681, 981589, 1262043, 2944767, 6871123, 8834301, 20613369, 61840107]

約数ペア:

[(1, 61840107), (3, 20613369), (7, 8834301), (9, 6871123), (21, 2944767), (49, 1262043), (63, 981589), (147, 420681), (441, 140227)]