17640147

素因数分解:

$3^1\times 7^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 40

約数和(自身を含む): 28682240

約数和(自身を除く): 11042093

約数列:

[1, 3, 7, 21, 31, 49, 79, 93, 147, 217, 237, 343, 553, 651, 1029, 1519, 1659, 2401, 2449, 3871, 4557, 7203, 7347, 10633, 11613, 17143, 27097, 31899, 51429, 74431, 81291, 120001, 189679, 223293, 360003, 569037, 840007, 2520021, 5880049, 17640147]

約数ペア:

[(1, 17640147), (3, 5880049), (7, 2520021), (21, 840007), (31, 569037), (49, 360003), (79, 223293), (93, 189679), (147, 120001), (217, 81291), (237, 74431), (343, 51429), (553, 31899), (651, 27097), (1029, 17143), (1519, 11613), (1659, 10633), (2401, 7347), (2449, 7203), (3871, 4557)]