81278790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{2709293}}^1$

素因数の和:2709303

約数の個数: 16

約数和(自身を含む): 195069168

約数和(自身を除く): 113790378

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 2709293, 5418586, 8127879, 13546465, 16255758, 27092930, 40639395, 81278790]

約数ペア:

[(1, 81278790), (2, 40639395), (3, 27092930), (5, 16255758), (6, 13546465), (10, 8127879), (15, 5418586), (30, 2709293)]