15216777

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 24935040

約数和(自身を除く): 9718263

約数列:

[1, 3, 9, 19, 23, 53, 57, 69, 73, 159, 171, 207, 219, 437, 477, 657, 1007, 1219, 1311, 1387, 1679, 3021, 3657, 3869, 3933, 4161, 5037, 9063, 10971, 11607, 12483, 15111, 23161, 31901, 34821, 69483, 73511, 88987, 95703, 208449, 220533, 266961, 287109, 661599, 800883, 1690753, 5072259, 15216777]

約数ペア:

[(1, 15216777), (3, 5072259), (9, 1690753), (19, 800883), (23, 661599), (53, 287109), (57, 266961), (69, 220533), (73, 208449), (159, 95703), (171, 88987), (207, 73511), (219, 69483), (437, 34821), (477, 31901), (657, 23161), (1007, 15111), (1219, 12483), (1311, 11607), (1387, 10971), (1679, 9063), (3021, 5037), (3657, 4161), (3869, 3933)]