64278501

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2269}}^1$

素因数の和:2369

約数の個数: 32

約数和(自身を含む): 104601600

約数和(自身を除く): 40323099

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 2269, 4047, 6807, 9443, 15883, 28329, 43111, 47649, 129333, 161099, 301777, 483297, 905331, 1127693, 3060881, 3383079, 9182643, 21426167, 64278501]

約数ペア:

[(1, 64278501), (3, 21426167), (7, 9182643), (19, 3383079), (21, 3060881), (57, 1127693), (71, 905331), (133, 483297), (213, 301777), (399, 161099), (497, 129333), (1349, 47649), (1491, 43111), (2269, 28329), (4047, 15883), (6807, 9443)]