28720121475

素因数分解:

$3^1\times 5^2\times {\mathrm{7043}}^1\times {\mathrm{54371}}^1$

素因数の和:61427

約数の個数: 24

約数和(自身を含む): 47491549632

約数和(自身を除く): 18771428157

約数列:

[1, 3, 5, 15, 25, 75, 7043, 21129, 35215, 54371, 105645, 163113, 176075, 271855, 528225, 815565, 1359275, 4077825, 382934953, 1148804859, 1914674765, 5744024295, 9573373825, 28720121475]

約数ペア:

[(1, 28720121475), (3, 9573373825), (5, 5744024295), (15, 1914674765), (25, 1148804859), (75, 382934953), (7043, 4077825), (21129, 1359275), (35215, 815565), (54371, 528225), (105645, 271855), (163113, 176075)]