219954075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15683}}^1$

素因数の和:15724

約数の個数: 48

約数和(自身を含む): 420080256

約数和(自身を除く): 200126181

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 825, 935, 1275, 2805, 4675, 14025, 15683, 47049, 78415, 172513, 235245, 266611, 392075, 517539, 799833, 862565, 1176225, 1333055, 2587695, 2932721, 3999165, 4312825, 6665275, 8798163, 12938475, 14663605, 19995825, 43990815, 73318025, 219954075]

約数ペア:

[(1, 219954075), (3, 73318025), (5, 43990815), (11, 19995825), (15, 14663605), (17, 12938475), (25, 8798163), (33, 6665275), (51, 4312825), (55, 3999165), (75, 2932721), (85, 2587695), (165, 1333055), (187, 1176225), (255, 862565), (275, 799833), (425, 517539), (561, 392075), (825, 266611), (935, 235245), (1275, 172513), (2805, 78415), (4675, 47049), (14025, 15683)]