64606647

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 107557632

約数和(自身を除く): 42950985

約数列:

[1, 3, 7, 17, 21, 49, 51, 103, 119, 147, 251, 309, 357, 721, 753, 833, 1751, 1757, 2163, 2499, 4267, 5047, 5253, 5271, 12257, 12299, 12801, 15141, 25853, 29869, 36771, 36897, 77559, 85799, 89607, 180971, 209083, 257397, 439501, 542913, 627249, 1266797, 1318503, 3076507, 3800391, 9229521, 21535549, 64606647]

約数ペア:

[(1, 64606647), (3, 21535549), (7, 9229521), (17, 3800391), (21, 3076507), (49, 1318503), (51, 1266797), (103, 627249), (119, 542913), (147, 439501), (251, 257397), (309, 209083), (357, 180971), (721, 89607), (753, 85799), (833, 77559), (1751, 36897), (1757, 36771), (2163, 29869), (2499, 25853), (4267, 15141), (5047, 12801), (5253, 12299), (5271, 12257)]