81127017

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 128215360

約数和(自身を除く): 47088343

約数列:

[1, 3, 9, 19, 57, 67, 73, 97, 171, 201, 219, 291, 603, 657, 873, 1273, 1387, 1843, 3819, 4161, 4891, 5529, 6499, 7081, 11457, 12483, 14673, 16587, 19497, 21243, 44019, 58491, 63729, 92929, 123481, 134539, 278787, 370443, 403617, 474427, 836361, 1111329, 1210851, 1423281, 4269843, 9014113, 27042339, 81127017]

約数ペア:

[(1, 81127017), (3, 27042339), (9, 9014113), (19, 4269843), (57, 1423281), (67, 1210851), (73, 1111329), (97, 836361), (171, 474427), (201, 403617), (219, 370443), (291, 278787), (603, 134539), (657, 123481), (873, 92929), (1273, 63729), (1387, 58491), (1843, 44019), (3819, 21243), (4161, 19497), (4891, 16587), (5529, 14673), (6499, 12483), (7081, 11457)]