71271225

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{6211}}^1$

素因数の和:6247

約数の個数: 48

約数和(自身を含む): 138651840

約数和(自身を除く): 67380615

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 2295, 3825, 6211, 11475, 18633, 31055, 55899, 93165, 105587, 155275, 167697, 279495, 316761, 465825, 527935, 838485, 950283, 1397475, 1583805, 2639675, 2850849, 4192425, 4751415, 7919025, 14254245, 23757075, 71271225]

約数ペア:

[(1, 71271225), (3, 23757075), (5, 14254245), (9, 7919025), (15, 4751415), (17, 4192425), (25, 2850849), (27, 2639675), (45, 1583805), (51, 1397475), (75, 950283), (85, 838485), (135, 527935), (153, 465825), (225, 316761), (255, 279495), (425, 167697), (459, 155275), (675, 105587), (765, 93165), (1275, 55899), (2295, 31055), (3825, 18633), (6211, 11475)]