15917967

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 26889408

約数和(自身を除く): 10971441

約数列:

[1, 3, 9, 13, 17, 39, 51, 53, 117, 151, 153, 159, 221, 453, 477, 663, 689, 901, 1359, 1963, 1989, 2067, 2567, 2703, 5889, 6201, 7701, 8003, 8109, 11713, 17667, 23103, 24009, 33371, 35139, 72027, 100113, 104039, 105417, 136051, 300339, 312117, 408153, 936351, 1224459, 1768663, 5305989, 15917967]

約数ペア:

[(1, 15917967), (3, 5305989), (9, 1768663), (13, 1224459), (17, 936351), (39, 408153), (51, 312117), (53, 300339), (117, 136051), (151, 105417), (153, 104039), (159, 100113), (221, 72027), (453, 35139), (477, 33371), (663, 24009), (689, 23103), (901, 17667), (1359, 11713), (1963, 8109), (1989, 8003), (2067, 7701), (2567, 6201), (2703, 5889)]