249339909

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{2617}}^1$

素因数の和:2989

約数の個数: 32

約数和(自身を含む): 410502400

約数和(自身を除く): 161162491

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 349, 1047, 2443, 2617, 4537, 7329, 7851, 13611, 18319, 31759, 34021, 54957, 95277, 102063, 238147, 714441, 913333, 2739999, 6393331, 11873329, 19179993, 35619987, 83113303, 249339909]

約数ペア:

[(1, 249339909), (3, 83113303), (7, 35619987), (13, 19179993), (21, 11873329), (39, 6393331), (91, 2739999), (273, 913333), (349, 714441), (1047, 238147), (2443, 102063), (2617, 95277), (4537, 54957), (7329, 34021), (7851, 31759), (13611, 18319)]