71387199

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1889}}^1$

素因数の和:1944

約数の個数: 48

約数和(自身を含む): 123832800

約数和(自身を除く): 52445601

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 171, 221, 247, 323, 663, 741, 969, 1889, 1989, 2223, 2907, 4199, 5667, 12597, 17001, 24557, 32113, 35891, 37791, 73671, 96339, 107673, 221013, 289017, 323019, 417469, 466583, 610147, 1252407, 1399749, 1830441, 3757221, 4199247, 5491323, 7931911, 23795733, 71387199]

約数ペア:

[(1, 71387199), (3, 23795733), (9, 7931911), (13, 5491323), (17, 4199247), (19, 3757221), (39, 1830441), (51, 1399749), (57, 1252407), (117, 610147), (153, 466583), (171, 417469), (221, 323019), (247, 289017), (323, 221013), (663, 107673), (741, 96339), (969, 73671), (1889, 37791), (1989, 35891), (2223, 32113), (2907, 24557), (4199, 17001), (5667, 12597)]