390894549

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{823}}^1$

素因数の和:1049

約数の個数: 32

約数和(自身を含む): 564802560

約数和(自身を除く): 173908011

約数列:

[1, 3, 17, 51, 67, 139, 201, 417, 823, 1139, 2363, 2469, 3417, 7089, 9313, 13991, 27939, 41973, 55141, 114397, 158321, 165423, 343191, 474963, 937397, 1944749, 2812191, 5834247, 7664599, 22993797, 130298183, 390894549]

約数ペア:

[(1, 390894549), (3, 130298183), (17, 22993797), (51, 7664599), (67, 5834247), (139, 2812191), (201, 1944749), (417, 937397), (823, 474963), (1139, 343191), (2363, 165423), (2469, 158321), (3417, 114397), (7089, 55141), (9313, 41973), (13991, 27939)]