858666735

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{405989}}^1$

素因数の和:406047

約数の個数: 24

約数和(自身を含む): 1520026560

約数和(自身を除く): 661359825

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 405989, 1217967, 2029945, 3653901, 6089835, 18269505, 19081483, 57244449, 95407415, 171733347, 286222245, 858666735]

約数ペア:

[(1, 858666735), (3, 286222245), (5, 171733347), (9, 95407415), (15, 57244449), (45, 19081483), (47, 18269505), (141, 6089835), (235, 3653901), (423, 2029945), (705, 1217967), (2115, 405989)]