42258465

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21839}}^1$

素因数の和:21893

約数の個数: 24

約数和(自身を含む): 74954880

約数和(自身を除く): 32696415

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 21839, 65517, 109195, 196551, 327585, 939077, 982755, 2817231, 4695385, 8451693, 14086155, 42258465]

約数ペア:

[(1, 42258465), (3, 14086155), (5, 8451693), (9, 4695385), (15, 2817231), (43, 982755), (45, 939077), (129, 327585), (215, 196551), (387, 109195), (645, 65517), (1935, 21839)]