72828459

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 122934240

約数和(自身を除く): 50105781

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 109, 153, 187, 327, 397, 561, 981, 1191, 1199, 1683, 1853, 3573, 3597, 4367, 5559, 6749, 10791, 13101, 16677, 20247, 20383, 39303, 43273, 60741, 61149, 74239, 129819, 183447, 222717, 389457, 476003, 668151, 735641, 1428009, 2206923, 4284027, 6620769, 8092051, 24276153, 72828459]

約数ペア:

[(1, 72828459), (3, 24276153), (9, 8092051), (11, 6620769), (17, 4284027), (33, 2206923), (51, 1428009), (99, 735641), (109, 668151), (153, 476003), (187, 389457), (327, 222717), (397, 183447), (561, 129819), (981, 74239), (1191, 61149), (1199, 60741), (1683, 43273), (1853, 39303), (3573, 20383), (3597, 20247), (4367, 16677), (5559, 13101), (6749, 10791)]