19971032013

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{983}}^1$

素因数の和:1203

約数の個数: 72

約数和(自身を含む): 31385734848

約数和(自身を除く): 11414702835

約数列:

[1, 3, 9, 17, 51, 73, 107, 153, 219, 289, 321, 657, 867, 963, 983, 1241, 1819, 2601, 2949, 3723, 5457, 7811, 8847, 11169, 16371, 16711, 21097, 23433, 30923, 50133, 63291, 70299, 71759, 92769, 105181, 132787, 150399, 189873, 215277, 278307, 284087, 315543, 398361, 645831, 852261, 946629, 1195083, 1219903, 1788077, 2257379, 2556783, 3659709, 5364231, 6772137, 7678213, 10979127, 16092693, 20316411, 20738351, 23034639, 30397309, 62215053, 69103917, 91191927, 130529621, 186645159, 273575781, 391588863, 1174766589, 2219003557, 6657010671, 19971032013]

約数ペア:

[(1, 19971032013), (3, 6657010671), (9, 2219003557), (17, 1174766589), (51, 391588863), (73, 273575781), (107, 186645159), (153, 130529621), (219, 91191927), (289, 69103917), (321, 62215053), (657, 30397309), (867, 23034639), (963, 20738351), (983, 20316411), (1241, 16092693), (1819, 10979127), (2601, 7678213), (2949, 6772137), (3723, 5364231), (5457, 3659709), (7811, 2556783), (8847, 2257379), (11169, 1788077), (16371, 1219903), (16711, 1195083), (21097, 946629), (23433, 852261), (30923, 645831), (50133, 398361), (63291, 315543), (70299, 284087), (71759, 278307), (92769, 215277), (105181, 189873), (132787, 150399)]