257471799

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 375889920

約数和(自身を除く): 118418121

約数列:

[1, 3, 13, 39, 127, 227, 229, 381, 681, 687, 1651, 2951, 2977, 4953, 8853, 8931, 28829, 29083, 51983, 86487, 87249, 155949, 374777, 378079, 675779, 1124331, 1134237, 2027337, 6601841, 19805523, 85823933, 257471799]

約数ペア:

[(1, 257471799), (3, 85823933), (13, 19805523), (39, 6601841), (127, 2027337), (227, 1134237), (229, 1124331), (381, 675779), (681, 378079), (687, 374777), (1651, 155949), (2951, 87249), (2977, 86487), (4953, 51983), (8853, 29083), (8931, 28829)]