27881325

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4273}}^1$

素因数の和:4318

約数の個数: 36

約数和(自身を含む): 51672660

約数和(自身を除く): 23791335

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 4273, 6525, 12819, 21365, 38457, 64095, 106825, 123917, 192285, 320475, 371751, 619585, 961425, 1115253, 1858755, 3097925, 5576265, 9293775, 27881325]

約数ペア:

[(1, 27881325), (3, 9293775), (5, 5576265), (9, 3097925), (15, 1858755), (25, 1115253), (29, 961425), (45, 619585), (75, 371751), (87, 320475), (145, 192285), (225, 123917), (261, 106825), (435, 64095), (725, 38457), (1305, 21365), (2175, 12819), (4273, 6525)]