391759497

素因数分解:

$3^7\times {\mathrm{271}}^1\times {\mathrm{661}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 590609920

約数和(自身を除く): 198850423

約数列:

[1, 3, 9, 27, 81, 243, 271, 661, 729, 813, 1983, 2187, 2439, 5949, 7317, 17847, 21951, 53541, 65853, 160623, 179131, 197559, 481869, 537393, 592677, 1445607, 1612179, 4836537, 14509611, 43528833, 130586499, 391759497]

約数ペア:

[(1, 391759497), (3, 130586499), (9, 43528833), (27, 14509611), (81, 4836537), (243, 1612179), (271, 1445607), (661, 592677), (729, 537393), (813, 481869), (1983, 197559), (2187, 179131), (2439, 160623), (5949, 65853), (7317, 53541), (17847, 21951)]