428907273

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{823}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 620175360

約数和(自身を除く): 191268087

約数列:

[1, 3, 19, 41, 57, 123, 223, 669, 779, 823, 2337, 2469, 4237, 9143, 12711, 15637, 27429, 33743, 46911, 101229, 173717, 183529, 521151, 550587, 641117, 1923351, 3487051, 7524689, 10461153, 22574067, 142969091, 428907273]

約数ペア:

[(1, 428907273), (3, 142969091), (19, 22574067), (41, 10461153), (57, 7524689), (123, 3487051), (223, 1923351), (669, 641117), (779, 550587), (823, 521151), (2337, 183529), (2469, 173717), (4237, 101229), (9143, 46911), (12711, 33743), (15637, 27429)]