42289209

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{3203}}^1$

素因数の和:3378

約数の個数: 20

約数和(自身を含む): 63580176

約数和(自身を除く): 21290967

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 3203, 4401, 9609, 13203, 28827, 86481, 259443, 522089, 1566267, 4698801, 14096403, 42289209]

約数ペア:

[(1, 42289209), (3, 14096403), (9, 4698801), (27, 1566267), (81, 522089), (163, 259443), (489, 86481), (1467, 28827), (3203, 13203), (4401, 9609)]