205512417

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 354816000

約数和(自身を除く): 149303583

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 79, 99, 171, 209, 237, 297, 461, 513, 627, 711, 869, 1383, 1501, 1881, 2133, 2607, 4149, 4503, 5071, 5643, 7821, 8759, 12447, 13509, 15213, 16511, 23463, 26277, 36419, 40527, 45639, 49533, 78831, 96349, 109257, 136917, 148599, 236493, 289047, 327771, 400609, 445797, 691961, 867141, 983313, 1201827, 2075883, 2601423, 3605481, 6227649, 7611571, 10816443, 18682947, 22834713, 68504139, 205512417]

約数ペア:

[(1, 205512417), (3, 68504139), (9, 22834713), (11, 18682947), (19, 10816443), (27, 7611571), (33, 6227649), (57, 3605481), (79, 2601423), (99, 2075883), (171, 1201827), (209, 983313), (237, 867141), (297, 691961), (461, 445797), (513, 400609), (627, 327771), (711, 289047), (869, 236493), (1383, 148599), (1501, 136917), (1881, 109257), (2133, 96349), (2607, 78831), (4149, 49533), (4503, 45639), (5071, 40527), (5643, 36419), (7821, 26277), (8759, 23463), (12447, 16511), (13509, 15213)]