28202979

素因数分解:

$3^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{1109}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 44035920

約数和(自身を除く): 15832941

約数列:

[1, 3, 7, 21, 49, 147, 173, 519, 1109, 1211, 3327, 3633, 7763, 8477, 23289, 25431, 54341, 163023, 191857, 575571, 1342999, 4028997, 9400993, 28202979]

約数ペア:

[(1, 28202979), (3, 9400993), (7, 4028997), (21, 1342999), (49, 575571), (147, 191857), (173, 163023), (519, 54341), (1109, 25431), (1211, 23289), (3327, 8477), (3633, 7763)]