81514890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{301907}}^1$

素因数の和:301923

約数の個数: 32

約数和(自身を含む): 217373760

約数和(自身を除く): 135858870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 301907, 603814, 905721, 1509535, 1811442, 2717163, 3019070, 4528605, 5434326, 8151489, 9057210, 13585815, 16302978, 27171630, 40757445, 81514890]

約数ペア:

[(1, 81514890), (2, 40757445), (3, 27171630), (5, 16302978), (6, 13585815), (9, 9057210), (10, 8151489), (15, 5434326), (18, 4528605), (27, 3019070), (30, 2717163), (45, 1811442), (54, 1509535), (90, 905721), (135, 603814), (270, 301907)]