28691025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 23805615

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 83, 165, 249, 275, 415, 419, 825, 913, 1245, 1257, 2075, 2095, 2739, 4565, 4609, 6225, 6285, 10475, 13695, 13827, 22825, 23045, 31425, 34777, 68475, 69135, 104331, 115225, 173885, 345675, 382547, 521655, 869425, 1147641, 1912735, 2608275, 5738205, 9563675, 28691025]

約数ペア:

[(1, 28691025), (3, 9563675), (5, 5738205), (11, 2608275), (15, 1912735), (25, 1147641), (33, 869425), (55, 521655), (75, 382547), (83, 345675), (165, 173885), (249, 115225), (275, 104331), (415, 69135), (419, 68475), (825, 34777), (913, 31425), (1245, 23045), (1257, 22825), (2075, 13827), (2095, 13695), (2739, 10475), (4565, 6285), (4609, 6225)]