71354385

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2683}}^1$

素因数の和:2894

約数の個数: 32

約数和(自身を含む): 127543680

約数和(自身を除く): 56189295

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 591, 985, 1773, 2683, 2955, 5319, 8049, 8865, 13415, 24147, 26595, 40245, 72441, 120735, 362205, 528551, 1585653, 2642755, 4756959, 7928265, 14270877, 23784795, 71354385]

約数ペア:

[(1, 71354385), (3, 23784795), (5, 14270877), (9, 7928265), (15, 4756959), (27, 2642755), (45, 1585653), (135, 528551), (197, 362205), (591, 120735), (985, 72441), (1773, 40245), (2683, 26595), (2955, 24147), (5319, 13415), (8049, 8865)]