27786690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3469}}^1$

素因数の和:3571

約数の個数: 48

約数和(自身を含む): 73078200

約数和(自身を除く): 45291510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2670, 3469, 4005, 6938, 8010, 10407, 17345, 20814, 31221, 34690, 52035, 62442, 104070, 156105, 308741, 312210, 617482, 926223, 1543705, 1852446, 2778669, 3087410, 4631115, 5557338, 9262230, 13893345, 27786690]

約数ペア:

[(1, 27786690), (2, 13893345), (3, 9262230), (5, 5557338), (6, 4631115), (9, 3087410), (10, 2778669), (15, 1852446), (18, 1543705), (30, 926223), (45, 617482), (89, 312210), (90, 308741), (178, 156105), (267, 104070), (445, 62442), (534, 52035), (801, 34690), (890, 31221), (1335, 20814), (1602, 17345), (2670, 10407), (3469, 8010), (4005, 6938)]