291888753

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{2699}}^1$

素因数の和:2821

約数の個数: 32

約数和(自身を含む): 435456000

約数和(自身を除く): 143567247

約数列:

[1, 3, 13, 39, 47, 59, 141, 177, 611, 767, 1833, 2301, 2699, 2773, 8097, 8319, 35087, 36049, 105261, 108147, 126853, 159241, 380559, 477723, 1649089, 2070133, 4947267, 6210399, 7484327, 22452981, 97296251, 291888753]

約数ペア:

[(1, 291888753), (3, 97296251), (13, 22452981), (39, 7484327), (47, 6210399), (59, 4947267), (141, 2070133), (177, 1649089), (611, 477723), (767, 380559), (1833, 159241), (2301, 126853), (2699, 108147), (2773, 105261), (8097, 36049), (8319, 35087)]