80881065

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13933}}^1$

素因数の和:13990

約数の個数: 32

約数和(自身を含む): 147143040

約数和(自身を除く): 66261975

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 13933, 41799, 69665, 125397, 208995, 376191, 599119, 626985, 1797357, 1880955, 2995595, 5392071, 8986785, 16176213, 26960355, 80881065]

約数ペア:

[(1, 80881065), (3, 26960355), (5, 16176213), (9, 8986785), (15, 5392071), (27, 2995595), (43, 1880955), (45, 1797357), (129, 626985), (135, 599119), (215, 376191), (387, 208995), (645, 125397), (1161, 69665), (1935, 41799), (5805, 13933)]