64616391

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12983}}^1$

素因数の和:13075

約数の個数: 24

約数和(自身を含む): 108026880

約数和(自身を除く): 43410489

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 12983, 38949, 90881, 116847, 272643, 817929, 1025657, 3076971, 7179599, 9230913, 21538797, 64616391]

約数ペア:

[(1, 64616391), (3, 21538797), (7, 9230913), (9, 7179599), (21, 3076971), (63, 1025657), (79, 817929), (237, 272643), (553, 116847), (711, 90881), (1659, 38949), (4977, 12983)]