27918205

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 40550400

約数和(自身を除く): 12632195

約数列:

[1, 5, 7, 23, 35, 79, 115, 161, 395, 439, 553, 805, 1817, 2195, 2765, 3073, 9085, 10097, 12719, 15365, 34681, 50485, 63595, 70679, 173405, 242767, 353395, 797663, 1213835, 3988315, 5583641, 27918205]

約数ペア:

[(1, 27918205), (5, 5583641), (7, 3988315), (23, 1213835), (35, 797663), (79, 353395), (115, 242767), (161, 173405), (395, 70679), (439, 63595), (553, 50485), (805, 34681), (1817, 15365), (2195, 12719), (2765, 10097), (3073, 9085)]