202121787

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{4409}}^1$

素因数の和:4515

約数の個数: 32

約数和(自身を含む): 321753600

約数和(自身を除く): 119631813

約数列:

[1, 3, 7, 21, 37, 59, 111, 177, 259, 413, 777, 1239, 2183, 4409, 6549, 13227, 15281, 30863, 45843, 92589, 163133, 260131, 489399, 780393, 1141931, 1820917, 3425793, 5462751, 9624847, 28874541, 67373929, 202121787]

約数ペア:

[(1, 202121787), (3, 67373929), (7, 28874541), (21, 9624847), (37, 5462751), (59, 3425793), (111, 1820917), (177, 1141931), (259, 780393), (413, 489399), (777, 260131), (1239, 163133), (2183, 92589), (4409, 45843), (6549, 30863), (13227, 15281)]