27867231

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2179}}^1$

素因数の和:2228

約数の個数: 36

約数和(自身を含む): 48461400

約数和(自身を除く): 20594169

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1827, 2179, 4263, 6537, 12789, 15253, 19611, 45759, 63191, 106771, 137277, 189573, 320313, 442337, 568719, 960939, 1327011, 3096359, 3981033, 9289077, 27867231]

約数ペア:

[(1, 27867231), (3, 9289077), (7, 3981033), (9, 3096359), (21, 1327011), (29, 960939), (49, 568719), (63, 442337), (87, 320313), (147, 189573), (203, 137277), (261, 106771), (441, 63191), (609, 45759), (1421, 19611), (1827, 15253), (2179, 12789), (4263, 6537)]