138791745

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23909}}^1$

素因数の和:23966

約数の個数: 32

約数和(自身を含む): 252489600

約数和(自身を除く): 113697855

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 23909, 71727, 119545, 215181, 358635, 645543, 1028087, 1075905, 3084261, 3227715, 5140435, 9252783, 15421305, 27758349, 46263915, 138791745]

約数ペア:

[(1, 138791745), (3, 46263915), (5, 27758349), (9, 15421305), (15, 9252783), (27, 5140435), (43, 3227715), (45, 3084261), (129, 1075905), (135, 1028087), (215, 645543), (387, 358635), (645, 215181), (1161, 119545), (1935, 71727), (5805, 23909)]