121514997

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 175951872

約数和(自身を除く): 54436875

約数列:

[1, 3, 17, 51, 73, 127, 219, 257, 381, 771, 1241, 2159, 3723, 4369, 6477, 9271, 13107, 18761, 27813, 32639, 56283, 97917, 157607, 318937, 472821, 554863, 956811, 1664589, 2382647, 7147941, 40504999, 121514997]

約数ペア:

[(1, 121514997), (3, 40504999), (17, 7147941), (51, 2382647), (73, 1664589), (127, 956811), (219, 554863), (257, 472821), (381, 318937), (771, 157607), (1241, 97917), (2159, 56283), (3723, 32639), (4369, 27813), (6477, 18761), (9271, 13107)]