391839231

素因数分解:

$3^1\times 7^2\times {\mathrm{739}}^1\times {\mathrm{3607}}^1$

素因数の和:4363

約数の個数: 24

約数和(自身を含む): 608741760

約数和(自身を除く): 216902529

約数列:

[1, 3, 7, 21, 49, 147, 739, 2217, 3607, 5173, 10821, 15519, 25249, 36211, 75747, 108633, 176743, 530229, 2665573, 7996719, 18659011, 55977033, 130613077, 391839231]

約数ペア:

[(1, 391839231), (3, 130613077), (7, 55977033), (21, 18659011), (49, 7996719), (147, 2665573), (739, 530229), (2217, 176743), (3607, 108633), (5173, 75747), (10821, 36211), (15519, 25249)]