23117661

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 42681600

約数和(自身を除く): 19563939

約数列:

[1, 3, 7, 9, 19, 21, 31, 49, 57, 63, 89, 93, 133, 147, 171, 217, 267, 279, 399, 441, 589, 623, 651, 801, 931, 1197, 1519, 1691, 1767, 1869, 1953, 2759, 2793, 4123, 4361, 4557, 5073, 5301, 5607, 8277, 8379, 11837, 12369, 13083, 13671, 15219, 19313, 24831, 28861, 35511, 37107, 39249, 52421, 57939, 82859, 86583, 106533, 135191, 157263, 173817, 248577, 259749, 366947, 405573, 471789, 745731, 1100841, 1216719, 2568629, 3302523, 7705887, 23117661]

約数ペア:

[(1, 23117661), (3, 7705887), (7, 3302523), (9, 2568629), (19, 1216719), (21, 1100841), (31, 745731), (49, 471789), (57, 405573), (63, 366947), (89, 259749), (93, 248577), (133, 173817), (147, 157263), (171, 135191), (217, 106533), (267, 86583), (279, 82859), (399, 57939), (441, 52421), (589, 39249), (623, 37107), (651, 35511), (801, 28861), (931, 24831), (1197, 19313), (1519, 15219), (1691, 13671), (1767, 13083), (1869, 12369), (1953, 11837), (2759, 8379), (2793, 8277), (4123, 5607), (4361, 5301), (4557, 5073)]