39491985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 72253440

約数和(自身を除く): 32761455

約数列:

[1, 3, 5, 13, 15, 31, 39, 47, 65, 93, 139, 141, 155, 195, 235, 403, 417, 465, 611, 695, 705, 1209, 1457, 1807, 1833, 2015, 2085, 3055, 4309, 4371, 5421, 6045, 6533, 7285, 9035, 9165, 12927, 18941, 19599, 21545, 21855, 27105, 32665, 56017, 56823, 64635, 84929, 94705, 97995, 168051, 202523, 254787, 280085, 284115, 424645, 607569, 840255, 1012615, 1273935, 2632799, 3037845, 7898397, 13163995, 39491985]

約数ペア:

[(1, 39491985), (3, 13163995), (5, 7898397), (13, 3037845), (15, 2632799), (31, 1273935), (39, 1012615), (47, 840255), (65, 607569), (93, 424645), (139, 284115), (141, 280085), (155, 254787), (195, 202523), (235, 168051), (403, 97995), (417, 94705), (465, 84929), (611, 64635), (695, 56823), (705, 56017), (1209, 32665), (1457, 27105), (1807, 21855), (1833, 21545), (2015, 19599), (2085, 18941), (3055, 12927), (4309, 9165), (4371, 9035), (5421, 7285), (6045, 6533)]