208560825

素因数分解:

$3^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{3121}}^1$

素因数の和:3157

約数の個数: 72

約数和(自身を含む): 422743776

約数和(自身を除く): 214182951

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 135, 165, 225, 243, 275, 297, 405, 495, 675, 825, 891, 1215, 1485, 2025, 2475, 2673, 3121, 4455, 6075, 7425, 9363, 13365, 15605, 22275, 28089, 34331, 46815, 66825, 78025, 84267, 102993, 140445, 171655, 234075, 252801, 308979, 421335, 514965, 702225, 758403, 858275, 926937, 1264005, 1544895, 2106675, 2574825, 2780811, 3792015, 4634685, 6320025, 7724475, 8342433, 13904055, 18960075, 23173425, 41712165, 69520275, 208560825]

約数ペア:

[(1, 208560825), (3, 69520275), (5, 41712165), (9, 23173425), (11, 18960075), (15, 13904055), (25, 8342433), (27, 7724475), (33, 6320025), (45, 4634685), (55, 3792015), (75, 2780811), (81, 2574825), (99, 2106675), (135, 1544895), (165, 1264005), (225, 926937), (243, 858275), (275, 758403), (297, 702225), (405, 514965), (495, 421335), (675, 308979), (825, 252801), (891, 234075), (1215, 171655), (1485, 140445), (2025, 102993), (2475, 84267), (2673, 78025), (3121, 66825), (4455, 46815), (6075, 34331), (7425, 28089), (9363, 22275), (13365, 15605)]