1388432961

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 2214297600

約数和(自身を除く): 825864639

約数列:

[1, 3, 9, 19, 27, 57, 101, 127, 171, 211, 303, 381, 513, 633, 909, 1143, 1899, 1919, 2413, 2727, 3429, 4009, 5697, 5757, 7239, 12027, 12827, 17271, 21311, 21717, 26797, 36081, 38481, 51813, 63933, 65151, 80391, 108243, 115443, 191799, 241173, 243713, 346329, 404909, 509143, 575397, 723519, 731139, 1214727, 1527429, 2193417, 2706497, 3644181, 4582287, 6580251, 8119491, 10932543, 13746861, 24358473, 51423443, 73075419, 154270329, 462810987, 1388432961]

約数ペア:

[(1, 1388432961), (3, 462810987), (9, 154270329), (19, 73075419), (27, 51423443), (57, 24358473), (101, 13746861), (127, 10932543), (171, 8119491), (211, 6580251), (303, 4582287), (381, 3644181), (513, 2706497), (633, 2193417), (909, 1527429), (1143, 1214727), (1899, 731139), (1919, 723519), (2413, 575397), (2727, 509143), (3429, 404909), (4009, 346329), (5697, 243713), (5757, 241173), (7239, 191799), (12027, 115443), (12827, 108243), (17271, 80391), (21311, 65151), (21717, 63933), (26797, 51813), (36081, 38481)]