81251835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3011}}^1$

素因数の和:3283

約数の個数: 32

約数和(自身を含む): 149202432

約数和(自身を除く): 67950597

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 257, 771, 1285, 1799, 3011, 3855, 5397, 8995, 9033, 15055, 21077, 26985, 45165, 63231, 105385, 316155, 773827, 2321481, 3869135, 5416789, 11607405, 16250367, 27083945, 81251835]

約数ペア:

[(1, 81251835), (3, 27083945), (5, 16250367), (7, 11607405), (15, 5416789), (21, 3869135), (35, 2321481), (105, 773827), (257, 316155), (771, 105385), (1285, 63231), (1799, 45165), (3011, 26985), (3855, 21077), (5397, 15055), (8995, 9033)]