171895563

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{6481}}^1$

素因数の和:6915

約数の個数: 24

約数和(自身を含む): 284482016

約数和(自身を除く): 112586453

約数列:

[1, 3, 7, 9, 21, 63, 421, 1263, 2947, 3789, 6481, 8841, 19443, 26523, 45367, 58329, 136101, 408303, 2728501, 8185503, 19099507, 24556509, 57298521, 171895563]

約数ペア:

[(1, 171895563), (3, 57298521), (7, 24556509), (9, 19099507), (21, 8185503), (63, 2728501), (421, 408303), (1263, 136101), (2947, 58329), (3789, 45367), (6481, 26523), (8841, 19443)]