16618203

素因数分解:

$3^4\times 7^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 60

約数和(自身を含む): 29795040

約数和(自身を除く): 13176837

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 63, 79, 81, 147, 159, 189, 237, 371, 441, 477, 553, 567, 711, 1113, 1323, 1431, 1659, 2133, 2597, 3339, 3871, 3969, 4187, 4293, 4977, 6399, 7791, 10017, 11613, 12561, 14931, 23373, 29309, 30051, 34839, 37683, 44793, 70119, 87927, 104517, 113049, 205163, 210357, 263781, 313551, 339147, 615489, 791343, 1846467, 2374029, 5539401, 16618203]

約数ペア:

[(1, 16618203), (3, 5539401), (7, 2374029), (9, 1846467), (21, 791343), (27, 615489), (49, 339147), (53, 313551), (63, 263781), (79, 210357), (81, 205163), (147, 113049), (159, 104517), (189, 87927), (237, 70119), (371, 44793), (441, 37683), (477, 34839), (553, 30051), (567, 29309), (711, 23373), (1113, 14931), (1323, 12561), (1431, 11613), (1659, 10017), (2133, 7791), (2597, 6399), (3339, 4977), (3871, 4293), (3969, 4187)]