887156739

素因数分解:

$3^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{18701}}^1$

素因数の和:18968

約数の個数: 32

約数和(自身を含む): 1508129280

約数和(自身を除く): 620972541

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 251, 753, 1757, 2259, 5271, 6777, 15813, 18701, 47439, 56103, 130907, 168309, 392721, 504927, 1178163, 3534489, 4693951, 14081853, 32857657, 42245559, 98572971, 126736677, 295718913, 887156739]

約数ペア:

[(1, 887156739), (3, 295718913), (7, 126736677), (9, 98572971), (21, 42245559), (27, 32857657), (63, 14081853), (189, 4693951), (251, 3534489), (753, 1178163), (1757, 504927), (2259, 392721), (5271, 168309), (6777, 130907), (15813, 56103), (18701, 47439)]