239399901

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{811}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 396061120

約数和(自身を除く): 156661219

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 783, 811, 841, 1131, 2433, 2523, 3393, 7299, 7569, 10179, 10543, 10933, 21897, 22707, 23519, 31629, 32799, 70557, 94887, 98397, 211671, 284661, 295191, 305747, 635013, 682051, 917241, 2046153, 2751723, 6138459, 8255169, 8866663, 18415377, 26599989, 79799967, 239399901]

約数ペア:

[(1, 239399901), (3, 79799967), (9, 26599989), (13, 18415377), (27, 8866663), (29, 8255169), (39, 6138459), (87, 2751723), (117, 2046153), (261, 917241), (351, 682051), (377, 635013), (783, 305747), (811, 295191), (841, 284661), (1131, 211671), (2433, 98397), (2523, 94887), (3393, 70557), (7299, 32799), (7569, 31629), (10179, 23519), (10543, 22707), (10933, 21897)]