31515939

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 58490880

約数和(自身を除く): 26974941

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 101, 117, 127, 189, 273, 303, 351, 381, 707, 819, 889, 909, 1143, 1313, 1651, 2121, 2457, 2667, 2727, 3429, 3939, 4953, 6363, 8001, 9191, 11557, 11817, 12827, 14859, 19089, 24003, 27573, 34671, 35451, 38481, 44577, 82719, 89789, 104013, 115443, 166751, 248157, 269367, 312039, 346329, 500253, 808101, 1167257, 1500759, 2424303, 3501771, 4502277, 10505313, 31515939]

約数ペア:

[(1, 31515939), (3, 10505313), (7, 4502277), (9, 3501771), (13, 2424303), (21, 1500759), (27, 1167257), (39, 808101), (63, 500253), (91, 346329), (101, 312039), (117, 269367), (127, 248157), (189, 166751), (273, 115443), (303, 104013), (351, 89789), (381, 82719), (707, 44577), (819, 38481), (889, 35451), (909, 34671), (1143, 27573), (1313, 24003), (1651, 19089), (2121, 14859), (2457, 12827), (2667, 11817), (2727, 11557), (3429, 9191), (3939, 8001), (4953, 6363)]