42878409

素因数分解:

$3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{3089}}^1$

素因数の和:3760

約数の個数: 16

約数和(自身を含む): 65458560

約数和(自身を除く): 22580151

約数列:

[1, 3, 7, 21, 661, 1983, 3089, 4627, 9267, 13881, 21623, 64869, 2041829, 6125487, 14292803, 42878409]

約数ペア:

[(1, 42878409), (3, 14292803), (7, 6125487), (21, 2041829), (661, 64869), (1983, 21623), (3089, 13881), (4627, 9267)]