671799999

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{21559}}^1$

素因数の和:21639

約数の個数: 32

約数和(自身を含む): 1043159040

約数和(自身を除く): 371359041

約数列:

[1, 3, 13, 17, 39, 47, 51, 141, 221, 611, 663, 799, 1833, 2397, 10387, 21559, 31161, 64677, 280267, 366503, 840801, 1013273, 1099509, 3039819, 4764539, 13172549, 14293617, 17225641, 39517647, 51676923, 223933333, 671799999]

約数ペア:

[(1, 671799999), (3, 223933333), (13, 51676923), (17, 39517647), (39, 17225641), (47, 14293617), (51, 13172549), (141, 4764539), (221, 3039819), (611, 1099509), (663, 1013273), (799, 840801), (1833, 366503), (2397, 280267), (10387, 64677), (21559, 31161)]