72054549

素因数分解:

$3^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 125582400

約数和(自身を除く): 53527851

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 107, 147, 189, 321, 441, 509, 749, 963, 1323, 1527, 2247, 2889, 3563, 4581, 5243, 6741, 10689, 13743, 15729, 20223, 24941, 32067, 47187, 54463, 74823, 96201, 141561, 163389, 224469, 381241, 490167, 673407, 1143723, 1470501, 2668687, 3431169, 8006061, 10293507, 24018183, 72054549]

約数ペア:

[(1, 72054549), (3, 24018183), (7, 10293507), (9, 8006061), (21, 3431169), (27, 2668687), (49, 1470501), (63, 1143723), (107, 673407), (147, 490167), (189, 381241), (321, 224469), (441, 163389), (509, 141561), (749, 96201), (963, 74823), (1323, 54463), (1527, 47187), (2247, 32067), (2889, 24941), (3563, 20223), (4581, 15729), (5243, 13743), (6741, 10689)]