208079469

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:843

約数の個数: 64

約数和(自身を含む): 358444800

約数和(自身を除く): 150365331

約数列:

[1, 3, 9, 13, 19, 27, 39, 41, 57, 117, 123, 171, 247, 351, 369, 513, 533, 741, 761, 779, 1107, 1599, 2223, 2283, 2337, 4797, 6669, 6849, 7011, 9893, 10127, 14391, 14459, 20547, 21033, 29679, 30381, 31201, 43377, 89037, 91143, 93603, 130131, 187967, 267111, 273429, 280809, 390393, 405613, 563901, 592819, 842427, 1216839, 1691703, 1778457, 3650517, 5075109, 5335371, 7706647, 10951551, 16006113, 23119941, 69359823, 208079469]

約数ペア:

[(1, 208079469), (3, 69359823), (9, 23119941), (13, 16006113), (19, 10951551), (27, 7706647), (39, 5335371), (41, 5075109), (57, 3650517), (117, 1778457), (123, 1691703), (171, 1216839), (247, 842427), (351, 592819), (369, 563901), (513, 405613), (533, 390393), (741, 280809), (761, 273429), (779, 267111), (1107, 187967), (1599, 130131), (2223, 93603), (2283, 91143), (2337, 89037), (4797, 43377), (6669, 31201), (6849, 30381), (7011, 29679), (9893, 21033), (10127, 20547), (14391, 14459)]