30728871

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2531}}^1$

素因数の和:2627

約数の個数: 24

約数和(自身を含む): 47399040

約数和(自身を除く): 16670169

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 2531, 4047, 7593, 12141, 22779, 48089, 144267, 179701, 432801, 539103, 1617309, 3414319, 10242957, 30728871]

約数ペア:

[(1, 30728871), (3, 10242957), (9, 3414319), (19, 1617309), (57, 539103), (71, 432801), (171, 179701), (213, 144267), (639, 48089), (1349, 22779), (2531, 12141), (4047, 7593)]