199021617

素因数分解:

$3^5\times {\mathrm{379}}^1\times {\mathrm{2161}}^1$

素因数の和:2555

約数の個数: 24

約数和(自身を含む): 299047840

約数和(自身を除く): 100026223

約数列:

[1, 3, 9, 27, 81, 243, 379, 1137, 2161, 3411, 6483, 10233, 19449, 30699, 58347, 92097, 175041, 525123, 819019, 2457057, 7371171, 22113513, 66340539, 199021617]

約数ペア:

[(1, 199021617), (3, 66340539), (9, 22113513), (27, 7371171), (81, 2457057), (243, 819019), (379, 525123), (1137, 175041), (2161, 92097), (3411, 58347), (6483, 30699), (10233, 19449)]