80773965

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 144458496

約数和(自身を除く): 63684531

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 181, 211, 235, 423, 543, 633, 705, 905, 1055, 1629, 1899, 2115, 2715, 3165, 8145, 8507, 9495, 9917, 25521, 29751, 38191, 42535, 49585, 76563, 89253, 114573, 127605, 148755, 190955, 343719, 382815, 446265, 572865, 1718595, 1794977, 5384931, 8974885, 16154793, 26924655, 80773965]

約数ペア:

[(1, 80773965), (3, 26924655), (5, 16154793), (9, 8974885), (15, 5384931), (45, 1794977), (47, 1718595), (141, 572865), (181, 446265), (211, 382815), (235, 343719), (423, 190955), (543, 148755), (633, 127605), (705, 114573), (905, 89253), (1055, 76563), (1629, 49585), (1899, 42535), (2115, 38191), (2715, 29751), (3165, 25521), (8145, 9917), (8507, 9495)]