11778879

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 19284480

約数和(自身を除く): 7505601

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 557, 1007, 1113, 1671, 3021, 3899, 7049, 10583, 11697, 21147, 29521, 31749, 74081, 88563, 206647, 222243, 560899, 619941, 1682697, 3926293, 11778879]

約数ペア:

[(1, 11778879), (3, 3926293), (7, 1682697), (19, 619941), (21, 560899), (53, 222243), (57, 206647), (133, 88563), (159, 74081), (371, 31749), (399, 29521), (557, 21147), (1007, 11697), (1113, 10583), (1671, 7049), (3021, 3899)]