17885985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{67}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 32147136

約数和(自身を除く): 14261151

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 67, 111, 185, 195, 201, 335, 481, 555, 871, 1005, 1369, 1443, 2405, 2479, 2613, 4107, 4355, 6845, 7215, 7437, 12395, 13065, 17797, 20535, 32227, 37185, 53391, 88985, 91723, 96681, 161135, 266955, 275169, 458615, 483405, 1192399, 1375845, 3577197, 5961995, 17885985]

約数ペア:

[(1, 17885985), (3, 5961995), (5, 3577197), (13, 1375845), (15, 1192399), (37, 483405), (39, 458615), (65, 275169), (67, 266955), (111, 161135), (185, 96681), (195, 91723), (201, 88985), (335, 53391), (481, 37185), (555, 32227), (871, 20535), (1005, 17797), (1369, 13065), (1443, 12395), (2405, 7437), (2479, 7215), (2613, 6845), (4107, 4355)]