15220359

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7321}}^1$

素因数の和:7348

約数の個数: 32

約数和(自身を含む): 28116480

約数和(自身を除く): 12896121

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 7321, 21963, 51247, 65889, 80531, 153741, 197667, 241593, 461223, 563717, 724779, 1383669, 1691151, 2174337, 5073453, 15220359]

約数ペア:

[(1, 15220359), (3, 5073453), (7, 2174337), (9, 1691151), (11, 1383669), (21, 724779), (27, 563717), (33, 461223), (63, 241593), (77, 197667), (99, 153741), (189, 80531), (231, 65889), (297, 51247), (693, 21963), (2079, 7321)]