253444842

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{670489}}^1$

素因数の和:670507

約数の個数: 32

約数和(自身を含む): 643670400

約数和(自身を除く): 390225558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 670489, 1340978, 2011467, 4022934, 4693423, 6034401, 9386846, 12068802, 14080269, 18103203, 28160538, 36206406, 42240807, 84481614, 126722421, 253444842]

約数ペア:

[(1, 253444842), (2, 126722421), (3, 84481614), (6, 42240807), (7, 36206406), (9, 28160538), (14, 18103203), (18, 14080269), (21, 12068802), (27, 9386846), (42, 6034401), (54, 4693423), (63, 4022934), (126, 2011467), (189, 1340978), (378, 670489)]