156930513243

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{20700503}}^1$

素因数の和:20700551

約数の個数: 24

約数和(自身を含む): 252380544768

約数和(自身を除く): 95450031525

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 20700503, 62101509, 144903521, 393309557, 434710563, 1179928671, 2753166899, 7472881583, 8259500697, 22418644749, 52310171081, 156930513243]

約数ペア:

[(1, 156930513243), (3, 52310171081), (7, 22418644749), (19, 8259500697), (21, 7472881583), (57, 2753166899), (133, 1179928671), (361, 434710563), (399, 393309557), (1083, 144903521), (2527, 62101509), (7581, 20700503)]