198078867

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 335043072

約数和(自身を除く): 136964205

約数列:

[1, 3, 7, 9, 21, 63, 67, 167, 201, 281, 469, 501, 603, 843, 1169, 1407, 1503, 1967, 2529, 3507, 4221, 5901, 10521, 11189, 17703, 18827, 33567, 46927, 56481, 78323, 100701, 131789, 140781, 169443, 234969, 328489, 395367, 422343, 704907, 985467, 1186101, 2956401, 3144109, 9432327, 22008763, 28296981, 66026289, 198078867]

約数ペア:

[(1, 198078867), (3, 66026289), (7, 28296981), (9, 22008763), (21, 9432327), (63, 3144109), (67, 2956401), (167, 1186101), (201, 985467), (281, 704907), (469, 422343), (501, 395367), (603, 328489), (843, 234969), (1169, 169443), (1407, 140781), (1503, 131789), (1967, 100701), (2529, 78323), (3507, 56481), (4221, 46927), (5901, 33567), (10521, 18827), (11189, 17703)]