1981421235

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{530501}}^1$

素因数の和:530595

約数の個数: 24

約数和(自身を含む): 3475849104

約数和(自身を除く): 1494427869

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 530501, 1591503, 2652505, 4774509, 7957515, 23872545, 44031583, 132094749, 220157915, 396284247, 660473745, 1981421235]

約数ペア:

[(1, 1981421235), (3, 660473745), (5, 396284247), (9, 220157915), (15, 132094749), (45, 44031583), (83, 23872545), (249, 7957515), (415, 4774509), (747, 2652505), (1245, 1591503), (3735, 530501)]