81639210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{2721307}}^1$

素因数の和:2721317

約数の個数: 16

約数和(自身を含む): 195934176

約数和(自身を除く): 114294966

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 2721307, 5442614, 8163921, 13606535, 16327842, 27213070, 40819605, 81639210]

約数ペア:

[(1, 81639210), (2, 40819605), (3, 27213070), (5, 16327842), (6, 13606535), (10, 8163921), (15, 5442614), (30, 2721307)]