388632237

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{9157}}^1$

素因数の和:9257

約数の個数: 32

約数和(自身を含む): 618934272

約数和(自身を除く): 230302035

約数列:

[1, 3, 7, 21, 43, 47, 129, 141, 301, 329, 903, 987, 2021, 6063, 9157, 14147, 27471, 42441, 64099, 192297, 393751, 430379, 1181253, 1291137, 2756257, 3012653, 8268771, 9037959, 18506297, 55518891, 129544079, 388632237]

約数ペア:

[(1, 388632237), (3, 129544079), (7, 55518891), (21, 18506297), (43, 9037959), (47, 8268771), (129, 3012653), (141, 2756257), (301, 1291137), (329, 1181253), (903, 430379), (987, 393751), (2021, 192297), (6063, 64099), (9157, 42441), (14147, 27471)]