18661622553

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6302473}}^1$

素因数の和:6302533

約数の個数: 24

約数和(自身を含む): 31461950208

約数和(自身を除く): 12800327655

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6302473, 18907419, 44117311, 56722257, 132351933, 296216231, 397055799, 888648693, 2073513617, 2665946079, 6220540851, 18661622553]

約数ペア:

[(1, 18661622553), (3, 6220540851), (7, 2665946079), (9, 2073513617), (21, 888648693), (47, 397055799), (63, 296216231), (141, 132351933), (329, 56722257), (423, 44117311), (987, 18907419), (2961, 6302473)]