257029143

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1\times {\mathrm{677}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 398338560

約数和(自身を除く): 141309417

約数列:

[1, 3, 7, 21, 101, 179, 303, 537, 677, 707, 1253, 2031, 2121, 3759, 4739, 14217, 18079, 54237, 68377, 121183, 126553, 205131, 363549, 379659, 478639, 848281, 1435917, 2544843, 12239483, 36718449, 85676381, 257029143]

約数ペア:

[(1, 257029143), (3, 85676381), (7, 36718449), (21, 12239483), (101, 2544843), (179, 1435917), (303, 848281), (537, 478639), (677, 379659), (707, 363549), (1253, 205131), (2031, 126553), (2121, 121183), (3759, 68377), (4739, 54237), (14217, 18079)]