28364925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22247}}^1$

素因数の和:22277

約数の個数: 24

約数和(自身を含む): 49657536

約数和(自身を除く): 21292611

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22247, 66741, 111235, 333705, 378199, 556175, 1134597, 1668525, 1890995, 5672985, 9454975, 28364925]

約数ペア:

[(1, 28364925), (3, 9454975), (5, 5672985), (15, 1890995), (17, 1668525), (25, 1134597), (51, 556175), (75, 378199), (85, 333705), (255, 111235), (425, 66741), (1275, 22247)]