72111555

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 138367008

約数和(自身を除く): 66255453

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 193, 207, 285, 345, 361, 437, 579, 855, 965, 1035, 1083, 1311, 1737, 1805, 2185, 2895, 3249, 3667, 3933, 4439, 5415, 6555, 8303, 8685, 11001, 13317, 16245, 18335, 19665, 22195, 24909, 33003, 39951, 41515, 55005, 66585, 69673, 74727, 84341, 124545, 165015, 199755, 209019, 253023, 348365, 373635, 421705, 627057, 759069, 1045095, 1265115, 1602479, 3135285, 3795345, 4807437, 8012395, 14422311, 24037185, 72111555]

約数ペア:

[(1, 72111555), (3, 24037185), (5, 14422311), (9, 8012395), (15, 4807437), (19, 3795345), (23, 3135285), (45, 1602479), (57, 1265115), (69, 1045095), (95, 759069), (115, 627057), (171, 421705), (193, 373635), (207, 348365), (285, 253023), (345, 209019), (361, 199755), (437, 165015), (579, 124545), (855, 84341), (965, 74727), (1035, 69673), (1083, 66585), (1311, 55005), (1737, 41515), (1805, 39951), (2185, 33003), (2895, 24909), (3249, 22195), (3667, 19665), (3933, 18335), (4439, 16245), (5415, 13317), (6555, 11001), (8303, 8685)]