320777739

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 502261760

約数和(自身を除く): 181484021

約数列:

[1, 3, 9, 27, 31, 81, 93, 97, 243, 279, 291, 439, 837, 873, 1317, 2511, 2619, 3007, 3951, 7533, 7857, 9021, 11853, 13609, 23571, 27063, 35559, 40827, 42583, 81189, 106677, 122481, 127749, 243567, 367443, 383247, 730701, 1102329, 1149741, 1320073, 3306987, 3449223, 3960219, 10347669, 11880657, 35641971, 106925913, 320777739]

約数ペア:

[(1, 320777739), (3, 106925913), (9, 35641971), (27, 11880657), (31, 10347669), (81, 3960219), (93, 3449223), (97, 3306987), (243, 1320073), (279, 1149741), (291, 1102329), (439, 730701), (837, 383247), (873, 367443), (1317, 243567), (2511, 127749), (2619, 122481), (3007, 106677), (3951, 81189), (7533, 42583), (7857, 40827), (9021, 35559), (11853, 27063), (13609, 23571)]