161906223

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 232505856

約数和(自身を除く): 70599633

約数列:

[1, 3, 23, 43, 69, 129, 197, 277, 591, 831, 989, 2967, 4531, 6371, 8471, 11911, 13593, 19113, 25413, 35733, 54569, 163707, 194833, 273953, 584499, 821859, 1255087, 2346467, 3765261, 7039401, 53968741, 161906223]

約数ペア:

[(1, 161906223), (3, 53968741), (23, 7039401), (43, 3765261), (69, 2346467), (129, 1255087), (197, 821859), (277, 584499), (591, 273953), (831, 194833), (989, 163707), (2967, 54569), (4531, 35733), (6371, 25413), (8471, 19113), (11911, 13593)]