85420251

素因数分解:

$3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1907}}^1$

素因数の和:2005

約数の個数: 40

約数和(自身を含む): 147755520

約数和(自身を除く): 62335269

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 553, 567, 711, 1659, 1907, 2133, 4977, 5721, 6399, 13349, 14931, 17163, 40047, 44793, 51489, 120141, 150653, 154467, 360423, 451959, 1054571, 1081269, 1355877, 3163713, 4067631, 9491139, 12202893, 28473417, 85420251]

約数ペア:

[(1, 85420251), (3, 28473417), (7, 12202893), (9, 9491139), (21, 4067631), (27, 3163713), (63, 1355877), (79, 1081269), (81, 1054571), (189, 451959), (237, 360423), (553, 154467), (567, 150653), (711, 120141), (1659, 51489), (1907, 44793), (2133, 40047), (4977, 17163), (5721, 14931), (6399, 13349)]