285831

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 509600

約数和(自身を除く): 223769

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 349, 819, 1047, 2443, 3141, 4537, 7329, 13611, 21987, 31759, 40833, 95277, 285831]

約数ペア:

[(1, 285831), (3, 95277), (7, 40833), (9, 31759), (13, 21987), (21, 13611), (39, 7329), (63, 4537), (91, 3141), (117, 2443), (273, 1047), (349, 819)]