16916319

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:540

約数の個数: 36

約数和(自身を含む): 28810080

約数和(自身を除く): 11893761

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 431, 441, 623, 801, 1293, 1869, 3017, 3879, 4361, 5607, 9051, 13083, 21119, 27153, 38359, 39249, 63357, 115077, 190071, 268513, 345231, 805539, 1879591, 2416617, 5638773, 16916319]

約数ペア:

[(1, 16916319), (3, 5638773), (7, 2416617), (9, 1879591), (21, 805539), (49, 345231), (63, 268513), (89, 190071), (147, 115077), (267, 63357), (431, 39249), (441, 38359), (623, 27153), (801, 21119), (1293, 13083), (1869, 9051), (3017, 5607), (3879, 4361)]