245220297

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{1009}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 381634560

約数和(自身を除く): 136414263

約数列:

[1, 3, 7, 21, 71, 163, 213, 489, 497, 1009, 1141, 1491, 3027, 3423, 7063, 11573, 21189, 34719, 71639, 81011, 164467, 214917, 243033, 493401, 501473, 1151269, 1504419, 3453807, 11677157, 35031471, 81740099, 245220297]

約数ペア:

[(1, 245220297), (3, 81740099), (7, 35031471), (21, 11677157), (71, 3453807), (163, 1504419), (213, 1151269), (489, 501473), (497, 493401), (1009, 243033), (1141, 214917), (1491, 164467), (3027, 81011), (3423, 71639), (7063, 34719), (11573, 21189)]