31957497

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 80

約数和(自身を含む): 58544640

約数和(自身を除く): 26587143

約数列:

[1, 3, 9, 11, 13, 27, 31, 33, 39, 81, 89, 93, 99, 117, 143, 267, 279, 297, 341, 351, 403, 429, 801, 837, 891, 979, 1023, 1053, 1157, 1209, 1287, 2403, 2511, 2759, 2937, 3069, 3471, 3627, 3861, 4433, 7209, 8277, 8811, 9207, 10413, 10881, 11583, 12727, 13299, 24831, 26433, 27621, 30349, 31239, 32643, 35867, 38181, 39897, 74493, 79299, 91047, 93717, 107601, 114543, 119691, 223479, 273141, 322803, 343629, 359073, 394537, 819423, 968409, 1030887, 1183611, 2458269, 2905227, 3550833, 10652499, 31957497]

約数ペア:

[(1, 31957497), (3, 10652499), (9, 3550833), (11, 2905227), (13, 2458269), (27, 1183611), (31, 1030887), (33, 968409), (39, 819423), (81, 394537), (89, 359073), (93, 343629), (99, 322803), (117, 273141), (143, 223479), (267, 119691), (279, 114543), (297, 107601), (341, 93717), (351, 91047), (403, 79299), (429, 74493), (801, 39897), (837, 38181), (891, 35867), (979, 32643), (1023, 31239), (1053, 30349), (1157, 27621), (1209, 26433), (1287, 24831), (2403, 13299), (2511, 12727), (2759, 11583), (2937, 10881), (3069, 10413), (3471, 9207), (3627, 8811), (3861, 8277), (4433, 7209)]