138439317

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 195412096

約数和(自身を除く): 56972779

約数列:

[1, 3, 43, 61, 73, 129, 183, 219, 241, 723, 2623, 3139, 4453, 7869, 9417, 10363, 13359, 14701, 17593, 31089, 44103, 52779, 191479, 574437, 632143, 756499, 1073173, 1896429, 2269497, 3219519, 46146439, 138439317]

約数ペア:

[(1, 138439317), (3, 46146439), (43, 3219519), (61, 2269497), (73, 1896429), (129, 1073173), (183, 756499), (219, 632143), (241, 574437), (723, 191479), (2623, 52779), (3139, 44103), (4453, 31089), (7869, 17593), (9417, 14701), (10363, 13359)]