251013009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{11681}}^1$

素因数の和:11745

約数の個数: 32

約数和(自身を含む): 392515200

約数和(自身を除く): 141502191

約数列:

[1, 3, 13, 19, 29, 39, 57, 87, 247, 377, 551, 741, 1131, 1653, 7163, 11681, 21489, 35043, 151853, 221939, 338749, 455559, 665817, 1016247, 2885207, 4403737, 6436231, 8655621, 13211211, 19308693, 83671003, 251013009]

約数ペア:

[(1, 251013009), (3, 83671003), (13, 19308693), (19, 13211211), (29, 8655621), (39, 6436231), (57, 4403737), (87, 2885207), (247, 1016247), (377, 665817), (551, 455559), (741, 338749), (1131, 221939), (1653, 151853), (7163, 35043), (11681, 21489)]