8643645

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 15734400

約数和(自身を除く): 7090755

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1489, 1935, 4467, 5805, 7445, 13401, 22335, 40203, 64027, 67005, 192081, 201015, 320135, 576243, 960405, 1728729, 2881215, 8643645]

約数ペア:

[(1, 8643645), (3, 2881215), (5, 1728729), (9, 960405), (15, 576243), (27, 320135), (43, 201015), (45, 192081), (129, 67005), (135, 64027), (215, 40203), (387, 22335), (645, 13401), (1161, 7445), (1489, 5805), (1935, 4467)]