1771497

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 3319680

約数和(自身を除く): 1548183

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 103, 117, 147, 189, 273, 309, 351, 441, 637, 721, 819, 927, 1323, 1339, 1911, 2163, 2457, 2781, 4017, 5047, 5733, 6489, 9373, 12051, 15141, 17199, 19467, 28119, 36153, 45423, 65611, 84357, 136269, 196833, 253071, 590499, 1771497]

約数ペア:

[(1, 1771497), (3, 590499), (7, 253071), (9, 196833), (13, 136269), (21, 84357), (27, 65611), (39, 45423), (49, 36153), (63, 28119), (91, 19467), (103, 17199), (117, 15141), (147, 12051), (189, 9373), (273, 6489), (309, 5733), (351, 5047), (441, 4017), (637, 2781), (721, 2457), (819, 2163), (927, 1911), (1323, 1339)]