28405935

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21767}}^1$

素因数の和:21807

約数の個数: 24

約数和(自身を含む): 50937120

約数和(自身を除く): 22531185

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 21767, 65301, 108835, 195903, 326505, 631243, 979515, 1893729, 3156215, 5681187, 9468645, 28405935]

約数ペア:

[(1, 28405935), (3, 9468645), (5, 5681187), (9, 3156215), (15, 1893729), (29, 979515), (45, 631243), (87, 326505), (145, 195903), (261, 108835), (435, 65301), (1305, 21767)]