205725369

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 295488000

約数和(自身を除く): 89762631

約数列:

[1, 3, 19, 57, 89, 107, 267, 321, 379, 1137, 1691, 2033, 5073, 6099, 7201, 9523, 21603, 28569, 33731, 40553, 101193, 121659, 180937, 542811, 640889, 770507, 1922667, 2311521, 3609217, 10827651, 68575123, 205725369]

約数ペア:

[(1, 205725369), (3, 68575123), (19, 10827651), (57, 3609217), (89, 2311521), (107, 1922667), (267, 770507), (321, 640889), (379, 542811), (1137, 180937), (1691, 121659), (2033, 101193), (5073, 40553), (6099, 33731), (7201, 28569), (9523, 21603)]