74721375

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{3907}}^1$

素因数の和:3945

約数の個数: 48

約数和(自身を含む): 142657632

約数和(自身を除く): 67936257

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 1125, 1275, 2125, 3825, 3907, 6375, 11721, 19125, 19535, 35163, 58605, 66419, 97675, 175815, 199257, 293025, 332095, 488375, 597771, 879075, 996285, 1465125, 1660475, 2988855, 4395375, 4981425, 8302375, 14944275, 24907125, 74721375]

約数ペア:

[(1, 74721375), (3, 24907125), (5, 14944275), (9, 8302375), (15, 4981425), (17, 4395375), (25, 2988855), (45, 1660475), (51, 1465125), (75, 996285), (85, 879075), (125, 597771), (153, 488375), (225, 332095), (255, 293025), (375, 199257), (425, 175815), (765, 97675), (1125, 66419), (1275, 58605), (2125, 35163), (3825, 19535), (3907, 19125), (6375, 11721)]