71691975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{18743}}^1$

素因数の和:18776

約数の個数: 36

約数和(自身を含む): 135968976

約数和(自身を除く): 64277001

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 18743, 56229, 93715, 168687, 281145, 318631, 468575, 843435, 955893, 1405725, 1593155, 2867679, 4217175, 4779465, 7965775, 14338395, 23897325, 71691975]

約数ペア:

[(1, 71691975), (3, 23897325), (5, 14338395), (9, 7965775), (15, 4779465), (17, 4217175), (25, 2867679), (45, 1593155), (51, 1405725), (75, 955893), (85, 843435), (153, 468575), (225, 318631), (255, 281145), (425, 168687), (765, 93715), (1275, 56229), (3825, 18743)]