30816075

素因数分解:

$3^1\times 5^2\times {\mathrm{641}}^2$

素因数の和:1295

約数の個数: 18

約数和(自身を含む): 51028852

約数和(自身を除く): 20212777

約数列:

[1, 3, 5, 15, 25, 75, 641, 1923, 3205, 9615, 16025, 48075, 410881, 1232643, 2054405, 6163215, 10272025, 30816075]

約数ペア:

[(1, 30816075), (3, 10272025), (5, 6163215), (15, 2054405), (25, 1232643), (75, 410881), (641, 48075), (1923, 16025), (3205, 9615)]