2171169

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 4228224

約数和(自身を除く): 2057055

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 241, 273, 429, 693, 723, 819, 1001, 1287, 1687, 2169, 2651, 3003, 3133, 5061, 7953, 9009, 9399, 15183, 18557, 21931, 23859, 28197, 34463, 55671, 65793, 103389, 167013, 197379, 241241, 310167, 723723, 2171169]

約数ペア:

[(1, 2171169), (3, 723723), (7, 310167), (9, 241241), (11, 197379), (13, 167013), (21, 103389), (33, 65793), (39, 55671), (63, 34463), (77, 28197), (91, 23859), (99, 21931), (117, 18557), (143, 15183), (231, 9399), (241, 9009), (273, 7953), (429, 5061), (693, 3133), (723, 3003), (819, 2651), (1001, 2169), (1287, 1687)]