28913475

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{5281}}^1$

素因数の和:5367

約数の個数: 24

約数和(自身を含む): 48467632

約数和(自身を除く): 19554157

約数列:

[1, 3, 5, 15, 25, 73, 75, 219, 365, 1095, 1825, 5281, 5475, 15843, 26405, 79215, 132025, 385513, 396075, 1156539, 1927565, 5782695, 9637825, 28913475]

約数ペア:

[(1, 28913475), (3, 9637825), (5, 5782695), (15, 1927565), (25, 1156539), (73, 396075), (75, 385513), (219, 132025), (365, 79215), (1095, 26405), (1825, 15843), (5281, 5475)]