28789515

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17291}}^1$

素因数の和:17339

約数の個数: 24

約数和(自身を含む): 51253488

約数和(自身を除く): 22463973

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 17291, 51873, 86455, 155619, 259365, 639767, 778095, 1919301, 3198835, 5757903, 9596505, 28789515]

約数ペア:

[(1, 28789515), (3, 9596505), (5, 5757903), (9, 3198835), (15, 1919301), (37, 778095), (45, 639767), (111, 259365), (185, 155619), (333, 86455), (555, 51873), (1665, 17291)]