28754175

素因数分解:

$3^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{2539}}^1$

素因数の和:2703

約数の個数: 24

約数和(自身を含む): 47873920

約数和(自身を除く): 19119745

約数列:

[1, 3, 5, 15, 25, 75, 151, 453, 755, 2265, 2539, 3775, 7617, 11325, 12695, 38085, 63475, 190425, 383389, 1150167, 1916945, 5750835, 9584725, 28754175]

約数ペア:

[(1, 28754175), (3, 9584725), (5, 5750835), (15, 1916945), (25, 1150167), (75, 383389), (151, 190425), (453, 63475), (755, 38085), (2265, 12695), (2539, 11325), (3775, 7617)]