31223475

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{907}}^1$

素因数の和:946

約数の個数: 60

約数和(自身を含む): 61306344

約数和(自身を除く): 30082869

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 255, 405, 425, 459, 675, 765, 907, 1275, 1377, 2025, 2295, 2721, 3825, 4535, 6885, 8163, 11475, 13605, 15419, 22675, 24489, 34425, 40815, 46257, 68025, 73467, 77095, 122445, 138771, 204075, 231285, 367335, 385475, 416313, 612225, 693855, 1156425, 1248939, 1836675, 2081565, 3469275, 6244695, 10407825, 31223475]

約数ペア:

[(1, 31223475), (3, 10407825), (5, 6244695), (9, 3469275), (15, 2081565), (17, 1836675), (25, 1248939), (27, 1156425), (45, 693855), (51, 612225), (75, 416313), (81, 385475), (85, 367335), (135, 231285), (153, 204075), (225, 138771), (255, 122445), (405, 77095), (425, 73467), (459, 68025), (675, 46257), (765, 40815), (907, 34425), (1275, 24489), (1377, 22675), (2025, 15419), (2295, 13605), (2721, 11475), (3825, 8163), (4535, 6885)]