27791775

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 58924800

約数和(自身を除く): 31133025

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 27, 33, 45, 55, 57, 75, 95, 99, 135, 165, 171, 197, 209, 225, 275, 285, 297, 475, 495, 513, 591, 627, 675, 825, 855, 985, 1045, 1425, 1485, 1773, 1881, 2167, 2475, 2565, 2955, 3135, 3743, 4275, 4925, 5225, 5319, 5643, 6501, 7425, 8865, 9405, 10835, 11229, 12825, 14775, 15675, 18715, 19503, 26595, 28215, 32505, 33687, 41173, 44325, 47025, 54175, 56145, 58509, 93575, 97515, 101061, 123519, 132975, 141075, 162525, 168435, 205865, 280725, 292545, 370557, 487575, 505305, 617595, 842175, 1029325, 1111671, 1462725, 1852785, 2526525, 3087975, 5558355, 9263925, 27791775]

約数ペア:

[(1, 27791775), (3, 9263925), (5, 5558355), (9, 3087975), (11, 2526525), (15, 1852785), (19, 1462725), (25, 1111671), (27, 1029325), (33, 842175), (45, 617595), (55, 505305), (57, 487575), (75, 370557), (95, 292545), (99, 280725), (135, 205865), (165, 168435), (171, 162525), (197, 141075), (209, 132975), (225, 123519), (275, 101061), (285, 97515), (297, 93575), (475, 58509), (495, 56145), (513, 54175), (591, 47025), (627, 44325), (675, 41173), (825, 33687), (855, 32505), (985, 28215), (1045, 26595), (1425, 19503), (1485, 18715), (1773, 15675), (1881, 14775), (2167, 12825), (2475, 11229), (2565, 10835), (2955, 9405), (3135, 8865), (3743, 7425), (4275, 6501), (4925, 5643), (5225, 5319)]