39989157

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 60614400

約数和(自身を除く): 20625243

約数列:

[1, 3, 13, 23, 39, 69, 109, 299, 327, 409, 897, 1227, 1417, 2507, 4251, 5317, 7521, 9407, 15951, 28221, 32591, 44581, 97773, 122291, 133743, 366873, 579553, 1025363, 1738659, 3076089, 13329719, 39989157]

約数ペア:

[(1, 39989157), (3, 13329719), (13, 3076089), (23, 1738659), (39, 1025363), (69, 579553), (109, 366873), (299, 133743), (327, 122291), (409, 97773), (897, 44581), (1227, 32591), (1417, 28221), (2507, 15951), (4251, 9407), (5317, 7521)]