203952021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1783}}^1$

素因数の和:2225

約数の個数: 32

約数和(自身を含む): 335677440

約数和(自身を除く): 131725419

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 419, 1257, 1783, 2933, 5349, 5447, 8799, 12481, 16341, 23179, 37443, 38129, 69537, 114387, 162253, 486759, 747077, 2241231, 5229539, 9712001, 15688617, 29136003, 67984007, 203952021]

約数ペア:

[(1, 203952021), (3, 67984007), (7, 29136003), (13, 15688617), (21, 9712001), (39, 5229539), (91, 2241231), (273, 747077), (419, 486759), (1257, 162253), (1783, 114387), (2933, 69537), (5349, 38129), (5447, 37443), (8799, 23179), (12481, 16341)]