72852021

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 127733760

約数和(自身を除く): 54881739

約数列:

[1, 3, 9, 11, 17, 27, 33, 47, 51, 99, 141, 153, 187, 297, 307, 423, 459, 517, 561, 799, 921, 1269, 1551, 1683, 2397, 2763, 3377, 4653, 5049, 5219, 7191, 8289, 8789, 10131, 13959, 14429, 15657, 21573, 26367, 30393, 43287, 46971, 57409, 79101, 91179, 129861, 140913, 158719, 172227, 237303, 245293, 389583, 476157, 516681, 735879, 1428471, 1550043, 2207637, 2698223, 4285413, 6622911, 8094669, 24284007, 72852021]

約数ペア:

[(1, 72852021), (3, 24284007), (9, 8094669), (11, 6622911), (17, 4285413), (27, 2698223), (33, 2207637), (47, 1550043), (51, 1428471), (99, 735879), (141, 516681), (153, 476157), (187, 389583), (297, 245293), (307, 237303), (423, 172227), (459, 158719), (517, 140913), (561, 129861), (799, 91179), (921, 79101), (1269, 57409), (1551, 46971), (1683, 43287), (2397, 30393), (2763, 26367), (3377, 21573), (4653, 15657), (5049, 14429), (5219, 13959), (7191, 10131), (8289, 8789)]