15121197

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 27664000

約数和(自身を除く): 12542803

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 111, 117, 259, 273, 333, 481, 499, 777, 819, 1443, 1497, 2331, 3367, 3493, 4329, 4491, 6487, 10101, 10479, 18463, 19461, 30303, 31437, 45409, 55389, 58383, 129241, 136227, 166167, 240019, 387723, 408681, 720057, 1163169, 1680133, 2160171, 5040399, 15121197]

約数ペア:

[(1, 15121197), (3, 5040399), (7, 2160171), (9, 1680133), (13, 1163169), (21, 720057), (37, 408681), (39, 387723), (63, 240019), (91, 166167), (111, 136227), (117, 129241), (259, 58383), (273, 55389), (333, 45409), (481, 31437), (499, 30303), (777, 19461), (819, 18463), (1443, 10479), (1497, 10101), (2331, 6487), (3367, 4491), (3493, 4329)]