39864945

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1021}}^1$

素因数の和:1185

約数の個数: 32

約数和(自身を含む): 67697280

約数和(自身を除く): 27832335

約数列:

[1, 3, 5, 15, 19, 57, 95, 137, 285, 411, 685, 1021, 2055, 2603, 3063, 5105, 7809, 13015, 15315, 19399, 39045, 58197, 96995, 139877, 290985, 419631, 699385, 2098155, 2657663, 7972989, 13288315, 39864945]

約数ペア:

[(1, 39864945), (3, 13288315), (5, 7972989), (15, 2657663), (19, 2098155), (57, 699385), (95, 419631), (137, 290985), (285, 139877), (411, 96995), (685, 58197), (1021, 39045), (2055, 19399), (2603, 15315), (3063, 13015), (5105, 7809)]