3897971

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 32

約数和(自身を含む): 5308416

約数和(自身を除く): 1410445

約数列:

[1, 7, 11, 23, 31, 71, 77, 161, 217, 253, 341, 497, 713, 781, 1633, 1771, 2201, 2387, 4991, 5467, 7843, 11431, 15407, 17963, 24211, 50623, 54901, 125741, 169477, 354361, 556853, 3897971]

約数ペア:

[(1, 3897971), (7, 556853), (11, 354361), (23, 169477), (31, 125741), (71, 54901), (77, 50623), (161, 24211), (217, 17963), (253, 15407), (341, 11431), (497, 7843), (713, 5467), (781, 4991), (1633, 2387), (1771, 2201)]