20761221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{877}}^1$

素因数の和:1500

約数の個数: 16

約数和(自身を含む): 29894144

約数和(自身を除く): 9132923

約数列:

[1, 3, 13, 39, 607, 877, 1821, 2631, 7891, 11401, 23673, 34203, 532339, 1597017, 6920407, 20761221]

約数ペア:

[(1, 20761221), (3, 6920407), (13, 1597017), (39, 532339), (607, 34203), (877, 23673), (1821, 11401), (2631, 7891)]