81462843

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{2399}}^1$

素因数の和:2437

約数の個数: 48

約数和(自身を含む): 149760000

約数和(自身を除く): 68297157

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 343, 441, 539, 693, 1029, 1617, 2399, 3087, 3773, 4851, 7197, 11319, 16793, 21591, 26389, 33957, 50379, 79167, 117551, 151137, 184723, 237501, 352653, 554169, 822857, 1057959, 1293061, 1662507, 2468571, 3879183, 7405713, 9051427, 11637549, 27154281, 81462843]

約数ペア:

[(1, 81462843), (3, 27154281), (7, 11637549), (9, 9051427), (11, 7405713), (21, 3879183), (33, 2468571), (49, 1662507), (63, 1293061), (77, 1057959), (99, 822857), (147, 554169), (231, 352653), (343, 237501), (441, 184723), (539, 151137), (693, 117551), (1029, 79167), (1617, 50379), (2399, 33957), (3087, 26389), (3773, 21591), (4851, 16793), (7197, 11319)]