28882917

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 51437568

約数和(自身を除く): 22554651

約数列:

[1, 3, 7, 9, 21, 23, 31, 63, 69, 93, 161, 207, 217, 279, 483, 643, 651, 713, 1449, 1929, 1953, 2139, 4501, 4991, 5787, 6417, 13503, 14789, 14973, 19933, 40509, 44367, 44919, 59799, 103523, 133101, 139531, 179397, 310569, 418593, 458459, 931707, 1255779, 1375377, 3209213, 4126131, 9627639, 28882917]

約数ペア:

[(1, 28882917), (3, 9627639), (7, 4126131), (9, 3209213), (21, 1375377), (23, 1255779), (31, 931707), (63, 458459), (69, 418593), (93, 310569), (161, 179397), (207, 139531), (217, 133101), (279, 103523), (483, 59799), (643, 44919), (651, 44367), (713, 40509), (1449, 19933), (1929, 14973), (1953, 14789), (2139, 13503), (4501, 6417), (4991, 5787)]