19691329581

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{123007}}^1$

素因数の和:123052

約数の個数: 72

約数和(自身を含む): 37300945920

約数和(自身を除く): 17609616339

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 121, 147, 189, 231, 297, 363, 441, 539, 693, 847, 1089, 1323, 1617, 2079, 2541, 3267, 4851, 5929, 7623, 14553, 17787, 22869, 53361, 123007, 160083, 369021, 861049, 1107063, 1353077, 2583147, 3321189, 4059231, 6027343, 7749441, 9471539, 12177693, 14883847, 18082029, 23248323, 28414617, 36533079, 44651541, 54246087, 66300773, 85243851, 104186929, 133954623, 162738261, 198902319, 255731553, 312560787, 401863869, 596706957, 729308503, 937682361, 1790120871, 2187925509, 2813047083, 6563776527, 19691329581]

約数ペア:

[(1, 19691329581), (3, 6563776527), (7, 2813047083), (9, 2187925509), (11, 1790120871), (21, 937682361), (27, 729308503), (33, 596706957), (49, 401863869), (63, 312560787), (77, 255731553), (99, 198902319), (121, 162738261), (147, 133954623), (189, 104186929), (231, 85243851), (297, 66300773), (363, 54246087), (441, 44651541), (539, 36533079), (693, 28414617), (847, 23248323), (1089, 18082029), (1323, 14883847), (1617, 12177693), (2079, 9471539), (2541, 7749441), (3267, 6027343), (4851, 4059231), (5929, 3321189), (7623, 2583147), (14553, 1353077), (17787, 1107063), (22869, 861049), (53361, 369021), (123007, 160083)]