11575221

素因数分解:

$3^1\times 7^4\times {\mathrm{1607}}^1$

素因数の和:1638

約数の個数: 20

約数和(自身を含む): 18016032

約数和(自身を除く): 6440811

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1607, 2401, 4821, 7203, 11249, 33747, 78743, 236229, 551201, 1653603, 3858407, 11575221]

約数ペア:

[(1, 11575221), (3, 3858407), (7, 1653603), (21, 551201), (49, 236229), (147, 78743), (343, 33747), (1029, 11249), (1607, 7203), (2401, 4821)]