400344921

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 617650176

約数和(自身を除く): 217305255

約数列:

[1, 3, 9, 37, 43, 73, 111, 129, 219, 333, 383, 387, 657, 1149, 1591, 2701, 3139, 3447, 4773, 8103, 9417, 14171, 14319, 16469, 24309, 27959, 28251, 42513, 49407, 83877, 116143, 127539, 148221, 251631, 348429, 609353, 1034483, 1045287, 1202237, 1828059, 3103449, 3606711, 5484177, 9310347, 10820133, 44482769, 133448307, 400344921]

約数ペア:

[(1, 400344921), (3, 133448307), (9, 44482769), (37, 10820133), (43, 9310347), (73, 5484177), (111, 3606711), (129, 3103449), (219, 1828059), (333, 1202237), (383, 1045287), (387, 1034483), (657, 609353), (1149, 348429), (1591, 251631), (2701, 148221), (3139, 127539), (3447, 116143), (4773, 83877), (8103, 49407), (9417, 42513), (14171, 28251), (14319, 27959), (16469, 24309)]