2251197

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 3564288

約数和(自身を除く): 1313091

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 271, 639, 813, 923, 2439, 2769, 3523, 8307, 10569, 19241, 31707, 57723, 173169, 250133, 750399, 2251197]

約数ペア:

[(1, 2251197), (3, 750399), (9, 250133), (13, 173169), (39, 57723), (71, 31707), (117, 19241), (213, 10569), (271, 8307), (639, 3523), (813, 2769), (923, 2439)]