28345425

素因数分解:

$3^1\times 5^2\times {\mathrm{457}}^1\times {\mathrm{827}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 47023776

約数和(自身を除く): 18678351

約数列:

[1, 3, 5, 15, 25, 75, 457, 827, 1371, 2285, 2481, 4135, 6855, 11425, 12405, 20675, 34275, 62025, 377939, 1133817, 1889695, 5669085, 9448475, 28345425]

約数ペア:

[(1, 28345425), (3, 9448475), (5, 5669085), (15, 1889695), (25, 1133817), (75, 377939), (457, 62025), (827, 34275), (1371, 20675), (2285, 12405), (2481, 11425), (4135, 6855)]