720984969

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:891

約数の個数: 40

約数和(自身を含む): 1097169920

約数和(自身を除く): 376184951

約数列:

[1, 3, 9, 27, 81, 109, 127, 327, 381, 643, 981, 1143, 1929, 2943, 3429, 5787, 8829, 10287, 13843, 17361, 41529, 52083, 70087, 81661, 124587, 210261, 244983, 373761, 630783, 734949, 1121283, 1892349, 2204847, 5677047, 6614541, 8901049, 26703147, 80109441, 240328323, 720984969]

約数ペア:

[(1, 720984969), (3, 240328323), (9, 80109441), (27, 26703147), (81, 8901049), (109, 6614541), (127, 5677047), (327, 2204847), (381, 1892349), (643, 1121283), (981, 734949), (1143, 630783), (1929, 373761), (2943, 244983), (3429, 210261), (5787, 124587), (8829, 81661), (10287, 70087), (13843, 52083), (17361, 41529)]