81844005

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3889}}^1$

素因数の和:3981

約数の個数: 32

約数和(自身を含む): 138919680

約数和(自身を除く): 57075675

約数列:

[1, 3, 5, 15, 23, 61, 69, 115, 183, 305, 345, 915, 1403, 3889, 4209, 7015, 11667, 19445, 21045, 58335, 89447, 237229, 268341, 447235, 711687, 1186145, 1341705, 3558435, 5456267, 16368801, 27281335, 81844005]

約数ペア:

[(1, 81844005), (3, 27281335), (5, 16368801), (15, 5456267), (23, 3558435), (61, 1341705), (69, 1186145), (115, 711687), (183, 447235), (305, 268341), (345, 237229), (915, 89447), (1403, 58335), (3889, 21045), (4209, 19445), (7015, 11667)]