84391551

素因数分解:

$3^4\times {\mathrm{379}}^1\times {\mathrm{2749}}^1$

素因数の和:3140

約数の個数: 20

約数和(自身を含む): 126445000

約数和(自身を除く): 42053449

約数列:

[1, 3, 9, 27, 81, 379, 1137, 2749, 3411, 8247, 10233, 24741, 30699, 74223, 222669, 1041871, 3125613, 9376839, 28130517, 84391551]

約数ペア:

[(1, 84391551), (3, 28130517), (9, 9376839), (27, 3125613), (81, 1041871), (379, 222669), (1137, 74223), (2749, 30699), (3411, 24741), (8247, 10233)]