28412013

素因数分解:

$3^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{557}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 44273952

約数和(自身を除く): 15861939

約数列:

[1, 3, 7, 21, 49, 147, 347, 557, 1041, 1671, 2429, 3899, 7287, 11697, 17003, 27293, 51009, 81879, 193279, 579837, 1352953, 4058859, 9470671, 28412013]

約数ペア:

[(1, 28412013), (3, 9470671), (7, 4058859), (21, 1352953), (49, 579837), (147, 193279), (347, 81879), (557, 51009), (1041, 27293), (1671, 17003), (2429, 11697), (3899, 7287)]