821469

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 1259776

約数和(自身を除く): 438307

約数列:

[1, 3, 11, 31, 33, 73, 93, 121, 219, 341, 363, 803, 1023, 2263, 2409, 3751, 6789, 8833, 11253, 24893, 26499, 74679, 273823, 821469]

約数ペア:

[(1, 821469), (3, 273823), (11, 74679), (31, 26499), (33, 24893), (73, 11253), (93, 8833), (121, 6789), (219, 3751), (341, 2409), (363, 2263), (803, 1023)]