28996725

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3547}}^1$

素因数の和:3669

約数の個数: 24

約数和(自身を含む): 48394720

約数和(自身を除く): 19397995

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1635, 2725, 3547, 8175, 10641, 17735, 53205, 88675, 266025, 386623, 1159869, 1933115, 5799345, 9665575, 28996725]

約数ペア:

[(1, 28996725), (3, 9665575), (5, 5799345), (15, 1933115), (25, 1159869), (75, 386623), (109, 266025), (327, 88675), (545, 53205), (1635, 17735), (2725, 10641), (3547, 8175)]