72492021

素因数分解:

$3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1021}}^1$

素因数の和:1071

約数の個数: 48

約数和(自身を含む): 127545600

約数和(自身を除く): 55053579

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 343, 441, 483, 1021, 1029, 1127, 1449, 3063, 3087, 3381, 7147, 7889, 9189, 10143, 21441, 23483, 23667, 50029, 64323, 70449, 71001, 150087, 164381, 211347, 350203, 450261, 493143, 1050609, 1150667, 1479429, 3151827, 3452001, 8054669, 10356003, 24164007, 72492021]

約数ペア:

[(1, 72492021), (3, 24164007), (7, 10356003), (9, 8054669), (21, 3452001), (23, 3151827), (49, 1479429), (63, 1150667), (69, 1050609), (147, 493143), (161, 450261), (207, 350203), (343, 211347), (441, 164381), (483, 150087), (1021, 71001), (1029, 70449), (1127, 64323), (1449, 50029), (3063, 23667), (3087, 23483), (3381, 21441), (7147, 10143), (7889, 9189)]