39666471

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 60480000

約数和(自身を除く): 20813529

約数列:

[1, 3, 13, 19, 39, 57, 199, 247, 269, 597, 741, 807, 2587, 3497, 3781, 5111, 7761, 10491, 11343, 15333, 49153, 53531, 66443, 147459, 160593, 199329, 695903, 1017089, 2087709, 3051267, 13222157, 39666471]

約数ペア:

[(1, 39666471), (3, 13222157), (13, 3051267), (19, 2087709), (39, 1017089), (57, 695903), (199, 199329), (247, 160593), (269, 147459), (597, 66443), (741, 53531), (807, 49153), (2587, 15333), (3497, 11343), (3781, 10491), (5111, 7761)]