30269205

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15643}}^1$

素因数の和:15697

約数の個数: 24

約数和(自身を含む): 53690208

約数和(自身を除く): 23421003

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 15643, 46929, 78215, 140787, 234645, 672649, 703935, 2017947, 3363245, 6053841, 10089735, 30269205]

約数ペア:

[(1, 30269205), (3, 10089735), (5, 6053841), (9, 3363245), (15, 2017947), (43, 703935), (45, 672649), (129, 234645), (215, 140787), (387, 78215), (645, 46929), (1935, 15643)]