838888947

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 1379051520

約数和(自身を除く): 540162573

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 211, 241, 351, 423, 611, 633, 723, 1269, 1833, 1899, 2169, 2743, 3133, 5499, 5697, 6507, 8229, 9399, 9917, 11327, 16497, 24687, 28197, 29751, 33981, 50851, 74061, 84591, 89253, 101943, 128921, 147251, 152553, 267759, 305829, 386763, 441753, 457659, 661063, 1160289, 1325259, 1372977, 1983189, 2389997, 3480867, 3975777, 5949567, 7169991, 17848701, 21509973, 31069961, 64529919, 93209883, 279629649, 838888947]

約数ペア:

[(1, 838888947), (3, 279629649), (9, 93209883), (13, 64529919), (27, 31069961), (39, 21509973), (47, 17848701), (117, 7169991), (141, 5949567), (211, 3975777), (241, 3480867), (351, 2389997), (423, 1983189), (611, 1372977), (633, 1325259), (723, 1160289), (1269, 661063), (1833, 457659), (1899, 441753), (2169, 386763), (2743, 305829), (3133, 267759), (5499, 152553), (5697, 147251), (6507, 128921), (8229, 101943), (9399, 89253), (9917, 84591), (11327, 74061), (16497, 50851), (24687, 33981), (28197, 29751)]