71610021

素因数分解:

$3^3\times 7^2\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:615

約数の個数: 48

約数和(自身を含む): 124761600

約数和(自身を除く): 53151579

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 113, 147, 189, 339, 441, 479, 791, 1017, 1323, 1437, 2373, 3051, 3353, 4311, 5537, 7119, 10059, 12933, 16611, 21357, 23471, 30177, 49833, 54127, 70413, 90531, 149499, 162381, 211239, 378889, 487143, 633717, 1136667, 1461429, 2652223, 3410001, 7956669, 10230003, 23870007, 71610021]

約数ペア:

[(1, 71610021), (3, 23870007), (7, 10230003), (9, 7956669), (21, 3410001), (27, 2652223), (49, 1461429), (63, 1136667), (113, 633717), (147, 487143), (189, 378889), (339, 211239), (441, 162381), (479, 149499), (791, 90531), (1017, 70413), (1323, 54127), (1437, 49833), (2373, 30177), (3051, 23471), (3353, 21357), (4311, 16611), (5537, 12933), (7119, 10059)]