399447018

素因数分解:

$2^1\times 3^3\times {\mathrm{829}}^1\times {\mathrm{8923}}^1$

素因数の和:9763

約数の個数: 32

約数和(自身を含む): 888830400

約数和(自身を除く): 489383382

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 829, 1658, 2487, 4974, 7461, 8923, 14922, 17846, 22383, 26769, 44766, 53538, 80307, 160614, 240921, 481842, 7397167, 14794334, 22191501, 44383002, 66574503, 133149006, 199723509, 399447018]

約数ペア:

[(1, 399447018), (2, 199723509), (3, 133149006), (6, 66574503), (9, 44383002), (18, 22191501), (27, 14794334), (54, 7397167), (829, 481842), (1658, 240921), (2487, 160614), (4974, 80307), (7461, 53538), (8923, 44766), (14922, 26769), (17846, 22383)]