628807005

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{1123}}^1$

素因数の和:1698

約数の個数: 48

約数和(自身を含む): 1140437376

約数和(自身を除く): 511630371

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 541, 1035, 1123, 1623, 2705, 3369, 4869, 5615, 8115, 10107, 12443, 16845, 24345, 25829, 37329, 50535, 62215, 77487, 111987, 129145, 186645, 232461, 387435, 559935, 607543, 1162305, 1822629, 3037715, 5467887, 9113145, 13973489, 27339435, 41920467, 69867445, 125761401, 209602335, 628807005]

約数ペア:

[(1, 628807005), (3, 209602335), (5, 125761401), (9, 69867445), (15, 41920467), (23, 27339435), (45, 13973489), (69, 9113145), (115, 5467887), (207, 3037715), (345, 1822629), (541, 1162305), (1035, 607543), (1123, 559935), (1623, 387435), (2705, 232461), (3369, 186645), (4869, 129145), (5615, 111987), (8115, 77487), (10107, 62215), (12443, 50535), (16845, 37329), (24345, 25829)]