12784425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 23069952

約数和(自身を除く): 10285527

約数列:

[1, 3, 5, 15, 17, 25, 37, 51, 75, 85, 111, 185, 255, 271, 425, 555, 629, 813, 925, 1275, 1355, 1887, 2775, 3145, 4065, 4607, 6775, 9435, 10027, 13821, 15725, 20325, 23035, 30081, 47175, 50135, 69105, 115175, 150405, 170459, 250675, 345525, 511377, 752025, 852295, 2556885, 4261475, 12784425]

約数ペア:

[(1, 12784425), (3, 4261475), (5, 2556885), (15, 852295), (17, 752025), (25, 511377), (37, 345525), (51, 250675), (75, 170459), (85, 150405), (111, 115175), (185, 69105), (255, 50135), (271, 47175), (425, 30081), (555, 23035), (629, 20325), (813, 15725), (925, 13821), (1275, 10027), (1355, 9435), (1887, 6775), (2775, 4607), (3145, 4065)]