16906725

素因数分解:

$3^5\times 5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1$

素因数の和:70

約数の個数: 108

約数和(自身を含む): 36018528

約数和(自身を除く): 19111803

約数列:

[1, 3, 5, 9, 11, 15, 23, 25, 27, 33, 45, 55, 69, 75, 81, 99, 115, 121, 135, 165, 207, 225, 243, 253, 275, 297, 345, 363, 405, 495, 575, 605, 621, 675, 759, 825, 891, 1035, 1089, 1215, 1265, 1485, 1725, 1815, 1863, 2025, 2277, 2475, 2673, 2783, 3025, 3105, 3267, 3795, 4455, 5175, 5445, 5589, 6075, 6325, 6831, 7425, 8349, 9075, 9315, 9801, 11385, 13365, 13915, 15525, 16335, 18975, 20493, 22275, 25047, 27225, 27945, 29403, 34155, 41745, 46575, 49005, 56925, 61479, 66825, 69575, 75141, 81675, 102465, 125235, 139725, 147015, 170775, 208725, 225423, 245025, 307395, 375705, 512325, 626175, 676269, 735075, 1127115, 1536975, 1878525, 3381345, 5635575, 16906725]

約数ペア:

[(1, 16906725), (3, 5635575), (5, 3381345), (9, 1878525), (11, 1536975), (15, 1127115), (23, 735075), (25, 676269), (27, 626175), (33, 512325), (45, 375705), (55, 307395), (69, 245025), (75, 225423), (81, 208725), (99, 170775), (115, 147015), (121, 139725), (135, 125235), (165, 102465), (207, 81675), (225, 75141), (243, 69575), (253, 66825), (275, 61479), (297, 56925), (345, 49005), (363, 46575), (405, 41745), (495, 34155), (575, 29403), (605, 27945), (621, 27225), (675, 25047), (759, 22275), (825, 20493), (891, 18975), (1035, 16335), (1089, 15525), (1215, 13915), (1265, 13365), (1485, 11385), (1725, 9801), (1815, 9315), (1863, 9075), (2025, 8349), (2277, 7425), (2475, 6831), (2673, 6325), (2783, 6075), (3025, 5589), (3105, 5445), (3267, 5175), (3795, 4455)]