12345620931

素因数分解:

$3^2\times 7^1\times {\mathrm{15581}}^1\times {\mathrm{12577}}^1$

素因数の和:28171

約数の個数: 24

約数和(自身を含む): 20383001184

約数和(自身を除く): 8037380253

約数列:

[1, 3, 7, 9, 21, 63, 12577, 15581, 37731, 46743, 88039, 109067, 113193, 140229, 264117, 327201, 792351, 981603, 195962237, 587886711, 1371735659, 1763660133, 4115206977, 12345620931]

約数ペア:

[(1, 12345620931), (3, 4115206977), (7, 1763660133), (9, 1371735659), (21, 587886711), (63, 195962237), (12577, 981603), (15581, 792351), (37731, 327201), (46743, 264117), (88039, 140229), (109067, 113193)]