7278804909

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 11494264320

約数和(自身を除く): 4215459411

約数列:

[1, 3, 9, 27, 37, 71, 79, 81, 111, 213, 237, 333, 433, 639, 711, 999, 1299, 1917, 2133, 2627, 2923, 2997, 3897, 5609, 5751, 6399, 7881, 8769, 11691, 16021, 16827, 23643, 26307, 30743, 34207, 35073, 48063, 50481, 70929, 78921, 92229, 102621, 144189, 151443, 207533, 212787, 236763, 276687, 307863, 432567, 454329, 622599, 830061, 923589, 1137491, 1265659, 1297701, 1867797, 2428697, 2490183, 2770767, 3412473, 3796977, 5603391, 7286091, 10237419, 11390931, 16810173, 21858273, 30712257, 34172793, 65574819, 89861789, 92136771, 102518379, 196724457, 269585367, 808756101, 2426268303, 7278804909]

約数ペア:

[(1, 7278804909), (3, 2426268303), (9, 808756101), (27, 269585367), (37, 196724457), (71, 102518379), (79, 92136771), (81, 89861789), (111, 65574819), (213, 34172793), (237, 30712257), (333, 21858273), (433, 16810173), (639, 11390931), (711, 10237419), (999, 7286091), (1299, 5603391), (1917, 3796977), (2133, 3412473), (2627, 2770767), (2923, 2490183), (2997, 2428697), (3897, 1867797), (5609, 1297701), (5751, 1265659), (6399, 1137491), (7881, 923589), (8769, 830061), (11691, 622599), (16021, 454329), (16827, 432567), (23643, 307863), (26307, 276687), (30743, 236763), (34207, 212787), (35073, 207533), (48063, 151443), (50481, 144189), (70929, 102621), (78921, 92229)]