207890241

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{463}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 310248960

約数和(自身を除く): 102358719

約数列:

[1, 3, 13, 29, 39, 87, 377, 397, 463, 1131, 1191, 1389, 5161, 6019, 11513, 13427, 15483, 18057, 34539, 40281, 149669, 174551, 183811, 449007, 523653, 551433, 2389543, 5330519, 7168629, 15991557, 69296747, 207890241]

約数ペア:

[(1, 207890241), (3, 69296747), (13, 15991557), (29, 7168629), (39, 5330519), (87, 2389543), (377, 551433), (397, 523653), (463, 449007), (1131, 183811), (1191, 174551), (1389, 149669), (5161, 40281), (6019, 34539), (11513, 18057), (13427, 15483)]