388703367

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{881}}^1$

素因数の和:1325

約数の個数: 40

約数和(自身を含む): 627525360

約数和(自身を除く): 238821993

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 419, 881, 1053, 1257, 2643, 3771, 5447, 7929, 11313, 11453, 16341, 23787, 33939, 34359, 49023, 71361, 103077, 147069, 309231, 369139, 441207, 927693, 1107417, 3322251, 4798807, 9966753, 14396421, 29900259, 43189263, 129567789, 388703367]

約数ペア:

[(1, 388703367), (3, 129567789), (9, 43189263), (13, 29900259), (27, 14396421), (39, 9966753), (81, 4798807), (117, 3322251), (351, 1107417), (419, 927693), (881, 441207), (1053, 369139), (1257, 309231), (2643, 147069), (3771, 103077), (5447, 71361), (7929, 49023), (11313, 34359), (11453, 33939), (16341, 23787)]