71316609

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 121117248

約数和(自身を除く): 49800639

約数列:

[1, 3, 7, 13, 21, 39, 49, 67, 91, 147, 201, 273, 469, 557, 637, 871, 1407, 1671, 1911, 2613, 3283, 3899, 6097, 7241, 9849, 11697, 18291, 21723, 27293, 37319, 42679, 50687, 81879, 111957, 128037, 152061, 261233, 354809, 485147, 783699, 1064427, 1455441, 1828631, 3396029, 5485893, 10188087, 23772203, 71316609]

約数ペア:

[(1, 71316609), (3, 23772203), (7, 10188087), (13, 5485893), (21, 3396029), (39, 1828631), (49, 1455441), (67, 1064427), (91, 783699), (147, 485147), (201, 354809), (273, 261233), (469, 152061), (557, 128037), (637, 111957), (871, 81879), (1407, 50687), (1671, 42679), (1911, 37319), (2613, 27293), (3283, 21723), (3899, 18291), (6097, 11697), (7241, 9849)]