71290557

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1031}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 114428160

約数和(自身を除く): 43137603

約数列:

[1, 3, 9, 13, 27, 39, 117, 197, 351, 591, 1031, 1773, 2561, 3093, 5319, 7683, 9279, 13403, 23049, 27837, 40209, 69147, 120627, 203107, 361881, 609321, 1827963, 2640391, 5483889, 7921173, 23763519, 71290557]

約数ペア:

[(1, 71290557), (3, 23763519), (9, 7921173), (13, 5483889), (27, 2640391), (39, 1827963), (117, 609321), (197, 361881), (351, 203107), (591, 120627), (1031, 69147), (1773, 40209), (2561, 27837), (3093, 23049), (5319, 13403), (7683, 9279)]