7921245

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12281}}^1$

素因数の和:12332

約数の個数: 16

約数和(自身を含む): 12969792

約数和(自身を除く): 5048547

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 12281, 36843, 61405, 184215, 528083, 1584249, 2640415, 7921245]

約数ペア:

[(1, 7921245), (3, 2640415), (5, 1584249), (15, 528083), (43, 184215), (129, 61405), (215, 36843), (645, 12281)]