30440775

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9439}}^1$

素因数の和:9495

約数の個数: 24

約数和(自身を含む): 51504640

約数和(自身を除く): 21063865

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 9439, 28317, 47195, 141585, 235975, 405877, 707925, 1217631, 2029385, 6088155, 10146925, 30440775]

約数ペア:

[(1, 30440775), (3, 10146925), (5, 6088155), (15, 2029385), (25, 1217631), (43, 707925), (75, 405877), (129, 235975), (215, 141585), (645, 47195), (1075, 28317), (3225, 9439)]