200520525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{157271}}^1$

素因数の和:157301

約数の個数: 24

約数和(自身を含む): 351031104

約数和(自身を除く): 150510579

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 157271, 471813, 786355, 2359065, 2673607, 3931775, 8020821, 11795325, 13368035, 40104105, 66840175, 200520525]

約数ペア:

[(1, 200520525), (3, 66840175), (5, 40104105), (15, 13368035), (17, 11795325), (25, 8020821), (51, 3931775), (75, 2673607), (85, 2359065), (255, 786355), (425, 471813), (1275, 157271)]