40517421

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{563}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 64972800

約数和(自身を除く): 24455379

約数列:

[1, 3, 7, 21, 23, 69, 149, 161, 447, 483, 563, 1043, 1689, 3129, 3427, 3941, 10281, 11823, 12949, 23989, 38847, 71967, 83887, 90643, 251661, 271929, 587209, 1761627, 1929401, 5788203, 13505807, 40517421]

約数ペア:

[(1, 40517421), (3, 13505807), (7, 5788203), (21, 1929401), (23, 1761627), (69, 587209), (149, 271929), (161, 251661), (447, 90643), (483, 83887), (563, 71967), (1043, 38847), (1689, 23989), (3129, 12949), (3427, 11823), (3941, 10281)]