198454719

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{887}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 290013696

約数和(自身を除く): 91558977

約数列:

[1, 3, 17, 41, 51, 107, 123, 321, 697, 887, 1819, 2091, 2661, 4387, 5457, 13161, 15079, 36367, 45237, 74579, 94909, 109101, 223737, 284727, 618239, 1613453, 1854717, 3891269, 4840359, 11673807, 66151573, 198454719]

約数ペア:

[(1, 198454719), (3, 66151573), (17, 11673807), (41, 4840359), (51, 3891269), (107, 1854717), (123, 1613453), (321, 618239), (697, 284727), (887, 223737), (1819, 109101), (2091, 94909), (2661, 74579), (4387, 45237), (5457, 36367), (13161, 15079)]