67664457

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2819}}^1$

素因数の和:2962

約数の個数: 32

約数和(自身を含む): 115507200

約数和(自身を除く): 47842743

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 889, 1143, 2667, 2819, 3429, 8001, 8457, 19733, 24003, 25371, 59199, 76113, 177597, 358013, 532791, 1074039, 2506091, 3222117, 7518273, 9666351, 22554819, 67664457]

約数ペア:

[(1, 67664457), (3, 22554819), (7, 9666351), (9, 7518273), (21, 3222117), (27, 2506091), (63, 1074039), (127, 532791), (189, 358013), (381, 177597), (889, 76113), (1143, 59199), (2667, 25371), (2819, 24003), (3429, 19733), (8001, 8457)]