12939345

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:803

約数の個数: 40

約数和(自身を含む): 23766336

約数和(自身を除く): 10826991

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 743, 1161, 1935, 2229, 3483, 3715, 5805, 6687, 11145, 17415, 20061, 31949, 33435, 60183, 95847, 100305, 159745, 287541, 300915, 479235, 862623, 1437705, 2587869, 4313115, 12939345]

約数ペア:

[(1, 12939345), (3, 4313115), (5, 2587869), (9, 1437705), (15, 862623), (27, 479235), (43, 300915), (45, 287541), (81, 159745), (129, 100305), (135, 95847), (215, 60183), (387, 33435), (405, 31949), (645, 20061), (743, 17415), (1161, 11145), (1935, 6687), (2229, 5805), (3483, 3715)]