81014775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{63541}}^1$

素因数の和:63571

約数の個数: 24

約数和(自身を含む): 141825744

約数和(自身を除く): 60810969

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 63541, 190623, 317705, 953115, 1080197, 1588525, 3240591, 4765575, 5400985, 16202955, 27004925, 81014775]

約数ペア:

[(1, 81014775), (3, 27004925), (5, 16202955), (15, 5400985), (17, 4765575), (25, 3240591), (51, 1588525), (75, 1080197), (85, 953115), (255, 317705), (425, 190623), (1275, 63541)]