2189871

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 3354624

約数和(自身を除く): 1164753

約数列:

[1, 3, 9, 31, 47, 93, 141, 167, 279, 423, 501, 1457, 1503, 4371, 5177, 7849, 13113, 15531, 23547, 46593, 70641, 243319, 729957, 2189871]

約数ペア:

[(1, 2189871), (3, 729957), (9, 243319), (31, 70641), (47, 46593), (93, 23547), (141, 15531), (167, 13113), (279, 7849), (423, 5177), (501, 4371), (1457, 1503)]