16667871

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 26927712

約数和(自身を除く): 10259841

約数列:

[1, 3, 11, 17, 33, 37, 51, 73, 111, 121, 187, 219, 363, 407, 561, 629, 803, 1221, 1241, 1887, 2057, 2409, 2701, 3723, 4477, 6171, 6919, 8103, 8833, 13431, 13651, 20757, 26499, 29711, 40953, 45917, 76109, 89133, 137751, 150161, 228327, 326821, 450483, 505087, 980463, 1515261, 5555957, 16667871]

約数ペア:

[(1, 16667871), (3, 5555957), (11, 1515261), (17, 980463), (33, 505087), (37, 450483), (51, 326821), (73, 228327), (111, 150161), (121, 137751), (187, 89133), (219, 76109), (363, 45917), (407, 40953), (561, 29711), (629, 26499), (803, 20757), (1221, 13651), (1241, 13431), (1887, 8833), (2057, 8103), (2409, 6919), (2701, 6171), (3723, 4477)]