15721932051

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{39719}}^1$

素因数の和:39896

約数の個数: 48

約数和(自身を含む): 26635914240

約数和(自身を除く): 10913982189

約数列:

[1, 3, 7, 9, 21, 61, 63, 103, 183, 309, 427, 549, 721, 927, 1281, 2163, 3843, 6283, 6489, 18849, 39719, 43981, 56547, 119157, 131943, 278033, 357471, 395829, 834099, 2422859, 2502297, 4091057, 7268577, 12273171, 16960013, 21805731, 28637399, 36819513, 50880039, 85912197, 152640117, 249554477, 257736591, 748663431, 1746881339, 2245990293, 5240644017, 15721932051]

約数ペア:

[(1, 15721932051), (3, 5240644017), (7, 2245990293), (9, 1746881339), (21, 748663431), (61, 257736591), (63, 249554477), (103, 152640117), (183, 85912197), (309, 50880039), (427, 36819513), (549, 28637399), (721, 21805731), (927, 16960013), (1281, 12273171), (2163, 7268577), (3843, 4091057), (6283, 2502297), (6489, 2422859), (18849, 834099), (39719, 395829), (43981, 357471), (56547, 278033), (119157, 131943)]