158974473

素因数分解:

$3^1\times 7^2\times {\mathrm{541}}^1\times {\mathrm{1999}}^1$

素因数の和:2557

約数の個数: 24

約数和(自身を含む): 247152000

約数和(自身を除く): 88177527

約数列:

[1, 3, 7, 21, 49, 147, 541, 1623, 1999, 3787, 5997, 11361, 13993, 26509, 41979, 79527, 97951, 293853, 1081459, 3244377, 7570213, 22710639, 52991491, 158974473]

約数ペア:

[(1, 158974473), (3, 52991491), (7, 22710639), (21, 7570213), (49, 3244377), (147, 1081459), (541, 293853), (1623, 97951), (1999, 79527), (3787, 41979), (5997, 26509), (11361, 13993)]