128971557

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4357}}^1$

素因数の和:4410

約数の個数: 48

約数和(自身を含む): 228428928

約数和(自身を除く): 99457371

約数列:

[1, 3, 9, 11, 13, 23, 33, 39, 69, 99, 117, 143, 207, 253, 299, 429, 759, 897, 1287, 2277, 2691, 3289, 4357, 9867, 13071, 29601, 39213, 47927, 56641, 100211, 143781, 169923, 300633, 431343, 509769, 623051, 901899, 1102321, 1302743, 1869153, 3306963, 3908229, 5607459, 9920889, 11724687, 14330173, 42990519, 128971557]

約数ペア:

[(1, 128971557), (3, 42990519), (9, 14330173), (11, 11724687), (13, 9920889), (23, 5607459), (33, 3908229), (39, 3306963), (69, 1869153), (99, 1302743), (117, 1102321), (143, 901899), (207, 623051), (253, 509769), (299, 431343), (429, 300633), (759, 169923), (897, 143781), (1287, 100211), (2277, 56641), (2691, 47927), (3289, 39213), (4357, 29601), (9867, 13071)]