1878345

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 3818880

約数和(自身を除く): 1940535

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 67, 89, 105, 201, 267, 315, 335, 445, 469, 603, 623, 801, 1005, 1335, 1407, 1869, 2345, 3015, 3115, 4005, 4221, 5607, 5963, 7035, 9345, 17889, 21105, 28035, 29815, 41741, 53667, 89445, 125223, 208705, 268335, 375669, 626115, 1878345]

約数ペア:

[(1, 1878345), (3, 626115), (5, 375669), (7, 268335), (9, 208705), (15, 125223), (21, 89445), (35, 53667), (45, 41741), (63, 29815), (67, 28035), (89, 21105), (105, 17889), (201, 9345), (267, 7035), (315, 5963), (335, 5607), (445, 4221), (469, 4005), (603, 3115), (623, 3015), (801, 2345), (1005, 1869), (1335, 1407)]