1620423

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 36

約数和(自身を含む): 2873520

約数和(自身を除く): 1253097

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 89, 119, 153, 267, 289, 357, 623, 801, 867, 1071, 1513, 1869, 2023, 2601, 4539, 5607, 6069, 10591, 13617, 18207, 25721, 31773, 77163, 95319, 180047, 231489, 540141, 1620423]

約数ペア:

[(1, 1620423), (3, 540141), (7, 231489), (9, 180047), (17, 95319), (21, 77163), (51, 31773), (63, 25721), (89, 18207), (119, 13617), (153, 10591), (267, 6069), (289, 5607), (357, 4539), (623, 2601), (801, 2023), (867, 1869), (1071, 1513)]