1373715

素因数分解:

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

素因数の和:121

約数の個数: 48

約数和(自身を含む): 2808000

約数和(自身を除く): 1434285

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 89, 105, 147, 245, 267, 315, 343, 441, 445, 623, 735, 801, 1029, 1335, 1715, 1869, 2205, 3087, 3115, 4005, 4361, 5145, 5607, 9345, 13083, 15435, 21805, 28035, 30527, 39249, 65415, 91581, 152635, 196245, 274743, 457905, 1373715]

約数ペア:

[(1, 1373715), (3, 457905), (5, 274743), (7, 196245), (9, 152635), (15, 91581), (21, 65415), (35, 39249), (45, 30527), (49, 28035), (63, 21805), (89, 15435), (105, 13083), (147, 9345), (245, 5607), (267, 5145), (315, 4361), (343, 4005), (441, 3115), (445, 3087), (623, 2205), (735, 1869), (801, 1715), (1029, 1335)]