68218725

素因数分解:

$3^1\times 5^2\times {\mathrm{509}}^1\times {\mathrm{1787}}^1$

素因数の和:2309

約数の個数: 24

約数和(自身を含む): 113073120

約数和(自身を除く): 44854395

約数列:

[1, 3, 5, 15, 25, 75, 509, 1527, 1787, 2545, 5361, 7635, 8935, 12725, 26805, 38175, 44675, 134025, 909583, 2728749, 4547915, 13643745, 22739575, 68218725]

約数ペア:

[(1, 68218725), (3, 22739575), (5, 13643745), (15, 4547915), (25, 2728749), (75, 909583), (509, 134025), (1527, 44675), (1787, 38175), (2545, 26805), (5361, 12725), (7635, 8935)]