288736623

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21517}}^1$

素因数の和:21604

約数の個数: 32

約数和(自身を含む): 495774720

約数和(自身を除く): 207038097

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13419, 21517, 64551, 150619, 193653, 451857, 580959, 1355571, 1527707, 4066713, 4583121, 10693949, 13749363, 32081847, 41248089, 96245541, 288736623]

約数ペア:

[(1, 288736623), (3, 96245541), (7, 41248089), (9, 32081847), (21, 13749363), (27, 10693949), (63, 4583121), (71, 4066713), (189, 1527707), (213, 1355571), (497, 580959), (639, 451857), (1491, 193653), (1917, 150619), (4473, 64551), (13419, 21517)]