2690955

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 4945920

約数和(自身を除く): 2254965

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 643, 837, 1395, 1929, 3215, 4185, 5787, 9645, 17361, 19933, 28935, 59799, 86805, 99665, 179397, 298995, 538191, 896985, 2690955]

約数ペア:

[(1, 2690955), (3, 896985), (5, 538191), (9, 298995), (15, 179397), (27, 99665), (31, 86805), (45, 59799), (93, 28935), (135, 19933), (155, 17361), (279, 9645), (465, 5787), (643, 4185), (837, 3215), (1395, 1929)]