918897987

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{2683}}^1$

素因数の和:3087

約数の個数: 32

約数和(自身を含む): 1434673152

約数和(自身を除く): 515775165

約数列:

[1, 3, 7, 21, 47, 141, 329, 347, 987, 1041, 2429, 2683, 7287, 8049, 16309, 18781, 48927, 56343, 114163, 126101, 342489, 378303, 882707, 931001, 2648121, 2793003, 6517007, 19551021, 43757047, 131271141, 306299329, 918897987]

約数ペア:

[(1, 918897987), (3, 306299329), (7, 131271141), (21, 43757047), (47, 19551021), (141, 6517007), (329, 2793003), (347, 2648121), (987, 931001), (1041, 882707), (2429, 378303), (2683, 342489), (7287, 126101), (8049, 114163), (16309, 56343), (18781, 48927)]