280289943

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{251}}^1\times {\mathrm{701}}^1$

素因数の和:1020

約数の個数: 32

約数和(自身を含む): 424569600

約数和(自身を除く): 144279657

約数列:

[1, 3, 9, 27, 59, 177, 251, 531, 701, 753, 1593, 2103, 2259, 6309, 6777, 14809, 18927, 41359, 44427, 124077, 133281, 175951, 372231, 399843, 527853, 1116693, 1583559, 4750677, 10381109, 31143327, 93429981, 280289943]

約数ペア:

[(1, 280289943), (3, 93429981), (9, 31143327), (27, 10381109), (59, 4750677), (177, 1583559), (251, 1116693), (531, 527853), (701, 399843), (753, 372231), (1593, 175951), (2103, 133281), (2259, 124077), (6309, 44427), (6777, 41359), (14809, 18927)]