128793873

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 189665280

約数和(自身を除く): 60871407

約数列:

[1, 3, 13, 39, 59, 177, 223, 251, 669, 753, 767, 2301, 2899, 3263, 8697, 9789, 13157, 14809, 39471, 44427, 55973, 167919, 171041, 192517, 513123, 577551, 727649, 2182947, 3302407, 9907221, 42931291, 128793873]

約数ペア:

[(1, 128793873), (3, 42931291), (13, 9907221), (39, 3302407), (59, 2182947), (177, 727649), (223, 577551), (251, 513123), (669, 192517), (753, 171041), (767, 167919), (2301, 55973), (2899, 44427), (3263, 39471), (8697, 14809), (9789, 13157)]