81820065

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4789}}^1$

素因数の和:4881

約数の個数: 32

約数和(自身を含む): 140711040

約数和(自身を除く): 58890975

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 335, 1005, 1139, 3417, 4789, 5695, 14367, 17085, 23945, 71835, 81413, 244239, 320863, 407065, 962589, 1221195, 1604315, 4812945, 5454671, 16364013, 27273355, 81820065]

約数ペア:

[(1, 81820065), (3, 27273355), (5, 16364013), (15, 5454671), (17, 4812945), (51, 1604315), (67, 1221195), (85, 962589), (201, 407065), (255, 320863), (335, 244239), (1005, 81413), (1139, 71835), (3417, 23945), (4789, 17085), (5695, 14367)]