84381969

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{18517}}^1$

素因数の和:18565

約数の個数: 24

約数和(自身を含む): 135107328

約数和(自身を除く): 50725359

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 18517, 55551, 129619, 388857, 574027, 907333, 1722081, 2721999, 4018189, 12054567, 28127323, 84381969]

約数ペア:

[(1, 84381969), (3, 28127323), (7, 12054567), (21, 4018189), (31, 2721999), (49, 1722081), (93, 907333), (147, 574027), (217, 388857), (651, 129619), (1519, 55551), (4557, 18517)]