81022425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 159096960

約数和(自身を除く): 78074535

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 53, 55, 75, 85, 109, 159, 165, 187, 255, 265, 275, 327, 425, 545, 561, 583, 795, 825, 901, 935, 1199, 1275, 1325, 1635, 1749, 1853, 2703, 2725, 2805, 2915, 3597, 3975, 4505, 4675, 5559, 5777, 5995, 8175, 8745, 9265, 9911, 13515, 14025, 14575, 17331, 17985, 20383, 22525, 27795, 28885, 29733, 29975, 43725, 46325, 49555, 61149, 63547, 67575, 86655, 89925, 98209, 101915, 138975, 144425, 148665, 190641, 247775, 294627, 305745, 317735, 433275, 491045, 509575, 743325, 953205, 1080299, 1473135, 1528725, 1588675, 2455225, 3240897, 4766025, 5401495, 7365675, 16204485, 27007475, 81022425]

約数ペア:

[(1, 81022425), (3, 27007475), (5, 16204485), (11, 7365675), (15, 5401495), (17, 4766025), (25, 3240897), (33, 2455225), (51, 1588675), (53, 1528725), (55, 1473135), (75, 1080299), (85, 953205), (109, 743325), (159, 509575), (165, 491045), (187, 433275), (255, 317735), (265, 305745), (275, 294627), (327, 247775), (425, 190641), (545, 148665), (561, 144425), (583, 138975), (795, 101915), (825, 98209), (901, 89925), (935, 86655), (1199, 67575), (1275, 63547), (1325, 61149), (1635, 49555), (1749, 46325), (1853, 43725), (2703, 29975), (2725, 29733), (2805, 28885), (2915, 27795), (3597, 22525), (3975, 20383), (4505, 17985), (4675, 17331), (5559, 14575), (5777, 14025), (5995, 13515), (8175, 9911), (8745, 9265)]