419984019

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2657}}^1$

素因数の和:2876

約数の個数: 48

約数和(自身を含む): 750789312

約数和(自身を除く): 330805293

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 193, 273, 579, 819, 1351, 1737, 2509, 2657, 4053, 7527, 7971, 12159, 17563, 18599, 22581, 23913, 34541, 52689, 55797, 103623, 158067, 167391, 241787, 310869, 512801, 725361, 1538403, 2176083, 3589607, 4615209, 6666413, 10768821, 19999239, 32306463, 46664891, 59997717, 139994673, 419984019]

約数ペア:

[(1, 419984019), (3, 139994673), (7, 59997717), (9, 46664891), (13, 32306463), (21, 19999239), (39, 10768821), (63, 6666413), (91, 4615209), (117, 3589607), (193, 2176083), (273, 1538403), (579, 725361), (819, 512801), (1351, 310869), (1737, 241787), (2509, 167391), (2657, 158067), (4053, 103623), (7527, 55797), (7971, 52689), (12159, 34541), (17563, 23913), (18599, 22581)]