720282015

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{115153}}^1$

素因数の和:115303

約数の個数: 24

約数和(自身を含む): 1257481680

約数和(自身を除く): 537199665

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 115153, 345459, 575765, 1036377, 1727295, 5181885, 16006267, 48018801, 80031335, 144056403, 240094005, 720282015]

約数ペア:

[(1, 720282015), (3, 240094005), (5, 144056403), (9, 80031335), (15, 48018801), (45, 16006267), (139, 5181885), (417, 1727295), (695, 1036377), (1251, 575765), (2085, 345459), (6255, 115153)]