80875395

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3041}}^1$

素因数の和:3252

約数の個数: 32

約数和(自身を含む): 144555840

約数和(自身を除く): 63680445

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 591, 985, 1773, 2955, 3041, 5319, 8865, 9123, 15205, 26595, 27369, 45615, 82107, 136845, 410535, 599077, 1797231, 2995385, 5391693, 8986155, 16175079, 26958465, 80875395]

約数ペア:

[(1, 80875395), (3, 26958465), (5, 16175079), (9, 8986155), (15, 5391693), (27, 2995385), (45, 1797231), (135, 599077), (197, 410535), (591, 136845), (985, 82107), (1773, 45615), (2955, 27369), (3041, 26595), (5319, 15205), (8865, 9123)]