217366875

素因数分解:

$3^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{1171}}^1$

素因数の和:1211

約数の個数: 80

約数和(自身を含む): 439359360

約数和(自身を除く): 221992485

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 125, 135, 165, 225, 275, 297, 375, 495, 625, 675, 825, 1125, 1171, 1375, 1485, 1875, 2475, 3375, 3513, 4125, 5625, 5855, 6875, 7425, 10539, 12375, 12881, 16875, 17565, 20625, 29275, 31617, 37125, 38643, 52695, 61875, 64405, 87825, 115929, 146375, 158085, 185625, 193215, 263475, 322025, 347787, 439125, 579645, 731875, 790425, 966075, 1317375, 1610125, 1738935, 2195625, 2898225, 3952125, 4830375, 6586875, 8050625, 8694675, 14491125, 19760625, 24151875, 43473375, 72455625, 217366875]

約数ペア:

[(1, 217366875), (3, 72455625), (5, 43473375), (9, 24151875), (11, 19760625), (15, 14491125), (25, 8694675), (27, 8050625), (33, 6586875), (45, 4830375), (55, 3952125), (75, 2898225), (99, 2195625), (125, 1738935), (135, 1610125), (165, 1317375), (225, 966075), (275, 790425), (297, 731875), (375, 579645), (495, 439125), (625, 347787), (675, 322025), (825, 263475), (1125, 193215), (1171, 185625), (1375, 158085), (1485, 146375), (1875, 115929), (2475, 87825), (3375, 64405), (3513, 61875), (4125, 52695), (5625, 38643), (5855, 37125), (6875, 31617), (7425, 29275), (10539, 20625), (12375, 17565), (12881, 16875)]