40587813

素因数分解:

$3^2\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1021}}^1$

素因数の和:1665

約数の個数: 24

約数和(自身を含む): 67174016

約数和(自身を除く): 26586203

約数列:

[1, 3, 7, 9, 21, 63, 631, 1021, 1893, 3063, 4417, 5679, 7147, 9189, 13251, 21441, 39753, 64323, 644251, 1932753, 4509757, 5798259, 13529271, 40587813]

約数ペア:

[(1, 40587813), (3, 13529271), (7, 5798259), (9, 4509757), (21, 1932753), (63, 644251), (631, 64323), (1021, 39753), (1893, 21441), (3063, 13251), (4417, 9189), (5679, 7147)]