81512370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{905693}}^1$

素因数の和:905706

約数の個数: 24

約数和(自身を含む): 211932396

約数和(自身を除く): 130420026

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 905693, 1811386, 2717079, 4528465, 5434158, 8151237, 9056930, 13585395, 16302474, 27170790, 40756185, 81512370]

約数ペア:

[(1, 81512370), (2, 40756185), (3, 27170790), (5, 16302474), (6, 13585395), (9, 9056930), (10, 8151237), (15, 5434158), (18, 4528465), (30, 2717079), (45, 1811386), (90, 905693)]