621642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:91

約数の個数: 48

約数和(自身を含む): 1536192

約数和(自身を除く): 914550

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 41, 42, 57, 82, 114, 123, 133, 246, 266, 287, 361, 399, 574, 722, 779, 798, 861, 1083, 1558, 1722, 2166, 2337, 2527, 4674, 5054, 5453, 7581, 10906, 14801, 15162, 16359, 29602, 32718, 44403, 88806, 103607, 207214, 310821, 621642]

約数ペア:

[(1, 621642), (2, 310821), (3, 207214), (6, 103607), (7, 88806), (14, 44403), (19, 32718), (21, 29602), (38, 16359), (41, 15162), (42, 14801), (57, 10906), (82, 7581), (114, 5453), (123, 5054), (133, 4674), (246, 2527), (266, 2337), (287, 2166), (361, 1722), (399, 1558), (574, 1083), (722, 861), (779, 798)]