8420221005

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11456083}}^1$

素因数の和:11456105

約数の個数: 24

約数和(自身を含む): 15671922912

約数和(自身を除く): 7251701907

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 11456083, 34368249, 57280415, 80192581, 171841245, 240577743, 400962905, 561348067, 1202888715, 1684044201, 2806740335, 8420221005]

約数ペア:

[(1, 8420221005), (3, 2806740335), (5, 1684044201), (7, 1202888715), (15, 561348067), (21, 400962905), (35, 240577743), (49, 171841245), (105, 80192581), (147, 57280415), (245, 34368249), (735, 11456083)]