27391455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6689}}^1$

素因数の和:6720

約数の個数: 48

約数和(自身を含む): 58443840

約数和(自身を除く): 31052385

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 6689, 20067, 33445, 46823, 60201, 86957, 100335, 140469, 234115, 260871, 301005, 421407, 434785, 608699, 702345, 782613, 1304355, 1826097, 2107035, 3043495, 3913065, 5478291, 9130485, 27391455]

約数ペア:

[(1, 27391455), (3, 9130485), (5, 5478291), (7, 3913065), (9, 3043495), (13, 2107035), (15, 1826097), (21, 1304355), (35, 782613), (39, 702345), (45, 608699), (63, 434785), (65, 421407), (91, 301005), (105, 260871), (117, 234115), (195, 140469), (273, 100335), (315, 86957), (455, 60201), (585, 46823), (819, 33445), (1365, 20067), (4095, 6689)]