28004235

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{5443}}^1$

素因数の和:5472

約数の個数: 32

約数和(自身を含む): 52262400

約数和(自身を除く): 24258165

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 5443, 16329, 27215, 38101, 81645, 114303, 190505, 266707, 571515, 800121, 1333535, 1866949, 4000605, 5600847, 9334745, 28004235]

約数ペア:

[(1, 28004235), (3, 9334745), (5, 5600847), (7, 4000605), (15, 1866949), (21, 1333535), (35, 800121), (49, 571515), (105, 266707), (147, 190505), (245, 114303), (343, 81645), (735, 38101), (1029, 27215), (1715, 16329), (5145, 5443)]