72295815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{557}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 122938560

約数和(自身を除く): 50642745

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 509, 557, 1527, 1671, 2545, 2785, 7635, 8355, 8653, 9469, 25959, 28407, 43265, 47345, 129795, 142035, 283513, 850539, 1417565, 4252695, 4819721, 14459163, 24098605, 72295815]

約数ペア:

[(1, 72295815), (3, 24098605), (5, 14459163), (15, 4819721), (17, 4252695), (51, 1417565), (85, 850539), (255, 283513), (509, 142035), (557, 129795), (1527, 47345), (1671, 43265), (2545, 28407), (2785, 25959), (7635, 9469), (8355, 8653)]