780661809

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 1190592000

約数和(自身を除く): 409930191

約数列:

[1, 3, 9, 31, 89, 93, 149, 211, 267, 279, 447, 633, 801, 1341, 1899, 2759, 4619, 6541, 8277, 13261, 13857, 18779, 19623, 24831, 31439, 39783, 41571, 56337, 58869, 94317, 119349, 169011, 282951, 411091, 582149, 974609, 1233273, 1746447, 2798071, 2923827, 3699819, 5239341, 8394213, 8771481, 25182639, 86740201, 260220603, 780661809]

約数ペア:

[(1, 780661809), (3, 260220603), (9, 86740201), (31, 25182639), (89, 8771481), (93, 8394213), (149, 5239341), (211, 3699819), (267, 2923827), (279, 2798071), (447, 1746447), (633, 1233273), (801, 974609), (1341, 582149), (1899, 411091), (2759, 282951), (4619, 169011), (6541, 119349), (8277, 94317), (13261, 58869), (13857, 56337), (18779, 41571), (19623, 39783), (24831, 31439)]