273003731

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 395974656

約数和(自身を除く): 122970925

約数列:

[1, 7, 11, 13, 17, 61, 77, 91, 119, 143, 187, 221, 263, 427, 671, 793, 1001, 1037, 1309, 1547, 1841, 2431, 2893, 3419, 4471, 4697, 5551, 7259, 8723, 11407, 13481, 16043, 17017, 20251, 23933, 31297, 37609, 49181, 58123, 61061, 79849, 94367, 112301, 148291, 176473, 208559, 263263, 272731, 344267, 406861, 639353, 1038037, 1235311, 1459913, 1909117, 2294149, 3000041, 3545503, 4475471, 16059043, 21000287, 24818521, 39000533, 273003731]

約数ペア:

[(1, 273003731), (7, 39000533), (11, 24818521), (13, 21000287), (17, 16059043), (61, 4475471), (77, 3545503), (91, 3000041), (119, 2294149), (143, 1909117), (187, 1459913), (221, 1235311), (263, 1038037), (427, 639353), (671, 406861), (793, 344267), (1001, 272731), (1037, 263263), (1309, 208559), (1547, 176473), (1841, 148291), (2431, 112301), (2893, 94367), (3419, 79849), (4471, 61061), (4697, 58123), (5551, 49181), (7259, 37609), (8723, 31297), (11407, 23933), (13481, 20251), (16043, 17017)]