78139089

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{72959}}^1$

素因数の和:72989

約数の個数: 24

約数和(自身を含む): 136581120

約数和(自身を除く): 58442031

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 72959, 218877, 510713, 656631, 1240303, 1532139, 3720909, 4596417, 8682121, 11162727, 26046363, 78139089]

約数ペア:

[(1, 78139089), (3, 26046363), (7, 11162727), (9, 8682121), (17, 4596417), (21, 3720909), (51, 1532139), (63, 1240303), (119, 656631), (153, 510713), (357, 218877), (1071, 72959)]