18072225

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2638

約数の個数: 36

約数和(自身を含む): 33426432

約数和(自身を除く): 15354207

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 2591, 6975, 7773, 12955, 23319, 38865, 64775, 80321, 116595, 194325, 240963, 401605, 582975, 722889, 1204815, 2008025, 3614445, 6024075, 18072225]

約数ペア:

[(1, 18072225), (3, 6024075), (5, 3614445), (9, 2008025), (15, 1204815), (25, 722889), (31, 582975), (45, 401605), (75, 240963), (93, 194325), (155, 116595), (225, 80321), (279, 64775), (465, 38865), (775, 23319), (1395, 12955), (2325, 7773), (2591, 6975)]