39997719

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 65374848

約数和(自身を除く): 25377129

約数列:

[1, 3, 9, 17, 27, 31, 51, 81, 93, 153, 279, 459, 527, 837, 937, 1377, 1581, 2511, 2811, 4743, 8433, 14229, 15929, 25299, 29047, 42687, 47787, 75897, 87141, 143361, 261423, 430083, 493799, 784269, 1290249, 1481397, 2352807, 4444191, 13332573, 39997719]

約数ペア:

[(1, 39997719), (3, 13332573), (9, 4444191), (17, 2352807), (27, 1481397), (31, 1290249), (51, 784269), (81, 493799), (93, 430083), (153, 261423), (279, 143361), (459, 87141), (527, 75897), (837, 47787), (937, 42687), (1377, 29047), (1581, 25299), (2511, 15929), (2811, 14229), (4743, 8433)]