12971907

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 40

約数和(自身を含む): 21249536

約数和(自身を除く): 8277629

約数列:

[1, 3, 9, 13, 27, 39, 81, 97, 117, 127, 291, 351, 381, 873, 1053, 1143, 1261, 1651, 2619, 3429, 3783, 4953, 7857, 10287, 11349, 12319, 14859, 34047, 36957, 44577, 102141, 110871, 133731, 160147, 332613, 480441, 997839, 1441323, 4323969, 12971907]

約数ペア:

[(1, 12971907), (3, 4323969), (9, 1441323), (13, 997839), (27, 480441), (39, 332613), (81, 160147), (97, 133731), (117, 110871), (127, 102141), (291, 44577), (351, 36957), (381, 34047), (873, 14859), (1053, 12319), (1143, 11349), (1261, 10287), (1651, 7857), (2619, 4953), (3429, 3783)]