81304290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{301127}}^1$

素因数の和:301143

約数の個数: 32

約数和(自身を含む): 216812160

約数和(自身を除く): 135507870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 301127, 602254, 903381, 1505635, 1806762, 2710143, 3011270, 4516905, 5420286, 8130429, 9033810, 13550715, 16260858, 27101430, 40652145, 81304290]

約数ペア:

[(1, 81304290), (2, 40652145), (3, 27101430), (5, 16260858), (6, 13550715), (9, 9033810), (10, 8130429), (15, 5420286), (18, 4516905), (27, 3011270), (30, 2710143), (45, 1806762), (54, 1505635), (90, 903381), (135, 602254), (270, 301127)]