77787387

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 123552000

約数和(自身を除く): 45764613

約数列:

[1, 3, 9, 19, 43, 57, 71, 129, 149, 171, 213, 387, 447, 639, 817, 1341, 1349, 2451, 2831, 3053, 4047, 6407, 7353, 8493, 9159, 10579, 12141, 19221, 25479, 27477, 31737, 57663, 58007, 95211, 121733, 174021, 201001, 365199, 454897, 522063, 603003, 1095597, 1364691, 1809009, 4094073, 8643043, 25929129, 77787387]

約数ペア:

[(1, 77787387), (3, 25929129), (9, 8643043), (19, 4094073), (43, 1809009), (57, 1364691), (71, 1095597), (129, 603003), (149, 522063), (171, 454897), (213, 365199), (387, 201001), (447, 174021), (639, 121733), (817, 95211), (1341, 58007), (1349, 57663), (2451, 31737), (2831, 27477), (3053, 25479), (4047, 19221), (6407, 12141), (7353, 10579), (8493, 9159)]