84138195

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 137548800

約数和(自身を除く): 53410605

約数列:

[1, 3, 5, 15, 71, 199, 213, 355, 397, 597, 995, 1065, 1191, 1985, 2985, 5955, 14129, 28187, 42387, 70645, 79003, 84561, 140935, 211935, 237009, 395015, 422805, 1185045, 5609213, 16827639, 28046065, 84138195]

約数ペア:

[(1, 84138195), (3, 28046065), (5, 16827639), (15, 5609213), (71, 1185045), (199, 422805), (213, 395015), (355, 237009), (397, 211935), (597, 140935), (995, 84561), (1065, 79003), (1191, 70645), (1985, 42387), (2985, 28187), (5955, 14129)]