51587109

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 91054080

約数和(自身を除く): 39466971

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 133, 171, 213, 399, 497, 607, 639, 1197, 1349, 1491, 1821, 4047, 4249, 4473, 5463, 9443, 11533, 12141, 12747, 28329, 34599, 38241, 43097, 80731, 84987, 103797, 129291, 242193, 301679, 387873, 726579, 818843, 905037, 2456529, 2715111, 5731901, 7369587, 17195703, 51587109]

約数ペア:

[(1, 51587109), (3, 17195703), (7, 7369587), (9, 5731901), (19, 2715111), (21, 2456529), (57, 905037), (63, 818843), (71, 726579), (133, 387873), (171, 301679), (213, 242193), (399, 129291), (497, 103797), (607, 84987), (639, 80731), (1197, 43097), (1349, 38241), (1491, 34599), (1821, 28329), (4047, 12747), (4249, 12141), (4473, 11533), (5463, 9443)]