28149399

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{733}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 43282512

約数和(自身を除く): 15133113

約数列:

[1, 3, 9, 17, 51, 153, 251, 733, 753, 2199, 2259, 4267, 6597, 12461, 12801, 37383, 38403, 112149, 183983, 551949, 1655847, 3127711, 9383133, 28149399]

約数ペア:

[(1, 28149399), (3, 9383133), (9, 3127711), (17, 1655847), (51, 551949), (153, 183983), (251, 112149), (733, 38403), (753, 37383), (2199, 12801), (2259, 12461), (4267, 6597)]