31801077

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 57932160

約数和(自身を除く): 26131083

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 109, 231, 327, 421, 693, 763, 981, 1199, 1263, 2289, 2947, 3597, 3789, 4631, 6867, 8393, 8841, 10791, 13893, 25179, 26523, 32417, 41679, 45889, 75537, 97251, 137667, 291753, 321223, 413001, 504779, 963669, 1514337, 2891007, 3533453, 4543011, 10600359, 31801077]

約数ペア:

[(1, 31801077), (3, 10600359), (7, 4543011), (9, 3533453), (11, 2891007), (21, 1514337), (33, 963669), (63, 504779), (77, 413001), (99, 321223), (109, 291753), (231, 137667), (327, 97251), (421, 75537), (693, 45889), (763, 41679), (981, 32417), (1199, 26523), (1263, 25179), (2289, 13893), (2947, 10791), (3597, 8841), (3789, 8393), (4631, 6867)]