28554225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 54484608

約数和(自身を除く): 25930383

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 137, 175, 397, 411, 525, 685, 959, 1191, 1985, 2055, 2779, 2877, 3425, 4795, 5955, 8337, 9925, 10275, 13895, 14385, 23975, 29775, 41685, 54389, 69475, 71925, 163167, 208425, 271945, 380723, 815835, 1142169, 1359725, 1903615, 4079175, 5710845, 9518075, 28554225]

約数ペア:

[(1, 28554225), (3, 9518075), (5, 5710845), (7, 4079175), (15, 1903615), (21, 1359725), (25, 1142169), (35, 815835), (75, 380723), (105, 271945), (137, 208425), (175, 163167), (397, 71925), (411, 69475), (525, 54389), (685, 41685), (959, 29775), (1191, 23975), (1985, 14385), (2055, 13895), (2779, 10275), (2877, 9925), (3425, 8337), (4795, 5955)]