857493

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 1568000

約数和(自身を除く): 710507

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 349, 351, 819, 1047, 2443, 2457, 3141, 4537, 7329, 9423, 13611, 21987, 31759, 40833, 65961, 95277, 122499, 285831, 857493]

約数ペア:

[(1, 857493), (3, 285831), (7, 122499), (9, 95277), (13, 65961), (21, 40833), (27, 31759), (39, 21987), (63, 13611), (91, 9423), (117, 7329), (189, 4537), (273, 3141), (349, 2457), (351, 2443), (819, 1047)]