389670561

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{43867}}^1$

素因数の和:43930

約数の個数: 32

約数和(自身を含む): 673812480

約数和(自身を除く): 284141919

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 8883, 43867, 131601, 307069, 394803, 921207, 1184409, 2061749, 2763621, 6185247, 8290863, 14432243, 18555741, 43296729, 55667223, 129890187, 389670561]

約数ペア:

[(1, 389670561), (3, 129890187), (7, 55667223), (9, 43296729), (21, 18555741), (27, 14432243), (47, 8290863), (63, 6185247), (141, 2763621), (189, 2061749), (329, 1184409), (423, 921207), (987, 394803), (1269, 307069), (2961, 131601), (8883, 43867)]