16803891

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 27885312

約数和(自身を除く): 11081421

約数列:

[1, 3, 9, 13, 31, 39, 41, 93, 113, 117, 123, 279, 339, 369, 403, 533, 1017, 1209, 1271, 1469, 1599, 3503, 3627, 3813, 4407, 4633, 4797, 10509, 11439, 13221, 13899, 16523, 31527, 41697, 45539, 49569, 60229, 136617, 143623, 148707, 180687, 409851, 430869, 542061, 1292607, 1867099, 5601297, 16803891]

約数ペア:

[(1, 16803891), (3, 5601297), (9, 1867099), (13, 1292607), (31, 542061), (39, 430869), (41, 409851), (93, 180687), (113, 148707), (117, 143623), (123, 136617), (279, 60229), (339, 49569), (369, 45539), (403, 41697), (533, 31527), (1017, 16523), (1209, 13899), (1271, 13221), (1469, 11439), (1599, 10509), (3503, 4797), (3627, 4633), (3813, 4407)]