168779961

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 307307520

約数和(自身を除く): 138527559

約数列:

[1, 3, 7, 9, 17, 21, 47, 49, 51, 63, 119, 141, 147, 153, 329, 357, 423, 441, 479, 799, 833, 987, 1071, 1437, 2303, 2397, 2499, 2961, 3353, 4311, 5593, 6909, 7191, 7497, 8143, 10059, 16779, 20727, 22513, 23471, 24429, 30177, 39151, 50337, 57001, 67539, 70413, 73287, 117453, 157591, 171003, 202617, 211239, 352359, 382721, 399007, 472773, 513009, 1103137, 1148163, 1197021, 1418319, 2679047, 3309411, 3444489, 3591063, 8037141, 9928233, 18753329, 24111423, 56259987, 168779961]

約数ペア:

[(1, 168779961), (3, 56259987), (7, 24111423), (9, 18753329), (17, 9928233), (21, 8037141), (47, 3591063), (49, 3444489), (51, 3309411), (63, 2679047), (119, 1418319), (141, 1197021), (147, 1148163), (153, 1103137), (329, 513009), (357, 472773), (423, 399007), (441, 382721), (479, 352359), (799, 211239), (833, 202617), (987, 171003), (1071, 157591), (1437, 117453), (2303, 73287), (2397, 70413), (2499, 67539), (2961, 57001), (3353, 50337), (4311, 39151), (5593, 30177), (6909, 24429), (7191, 23471), (7497, 22513), (8143, 20727), (10059, 16779)]