1625841

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 2718144

約数和(自身を除く): 1092303

約数列:

[1, 3, 7, 9, 21, 63, 131, 197, 393, 591, 917, 1179, 1379, 1773, 2751, 4137, 8253, 12411, 25807, 77421, 180649, 232263, 541947, 1625841]

約数ペア:

[(1, 1625841), (3, 541947), (7, 232263), (9, 180649), (21, 77421), (63, 25807), (131, 12411), (197, 8253), (393, 4137), (591, 2751), (917, 1773), (1179, 1379)]