13647175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 18119376

約数和(自身を除く): 4472201

約数列:

[1, 5, 17, 25, 85, 163, 197, 425, 815, 985, 2771, 3349, 4075, 4925, 13855, 16745, 32111, 69275, 83725, 160555, 545887, 802775, 2729435, 13647175]

約数ペア:

[(1, 13647175), (5, 2729435), (17, 802775), (25, 545887), (85, 160555), (163, 83725), (197, 69275), (425, 32111), (815, 16745), (985, 13855), (2771, 4925), (3349, 4075)]