78855987

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{51439}}^1$

素因数の和:51522

約数の個数: 16

約数和(自身を含む): 121809920

約数和(自身を除く): 42953933

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 51439, 154317, 360073, 1080219, 3755047, 11265141, 26285329, 78855987]

約数ペア:

[(1, 78855987), (3, 26285329), (7, 11265141), (21, 3755047), (73, 1080219), (219, 360073), (511, 154317), (1533, 51439)]