61875639

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 105401088

約数和(自身を除く): 43525449

約数列:

[1, 3, 7, 9, 21, 63, 67, 107, 137, 201, 321, 411, 469, 603, 749, 959, 963, 1233, 1407, 2247, 2877, 4221, 6741, 7169, 8631, 9179, 14659, 21507, 27537, 43977, 50183, 64253, 64521, 82611, 102613, 131931, 150549, 192759, 307839, 451647, 578277, 923517, 982153, 2946459, 6875071, 8839377, 20625213, 61875639]

約数ペア:

[(1, 61875639), (3, 20625213), (7, 8839377), (9, 6875071), (21, 2946459), (63, 982153), (67, 923517), (107, 578277), (137, 451647), (201, 307839), (321, 192759), (411, 150549), (469, 131931), (603, 102613), (749, 82611), (959, 64521), (963, 64253), (1233, 50183), (1407, 43977), (2247, 27537), (2877, 21507), (4221, 14659), (6741, 9179), (7169, 8631)]