205983405

素因数分解:

$3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3659}}^1$

素因数の和:3815

約数の個数: 40

約数和(自身を含む): 372002400

約数和(自身を除く): 166018995

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 405, 417, 695, 1251, 2085, 3659, 3753, 6255, 10977, 11259, 18295, 18765, 32931, 54885, 56295, 98793, 164655, 296379, 493965, 508601, 1481895, 1525803, 2543005, 4577409, 7629015, 13732227, 22887045, 41196681, 68661135, 205983405]

約数ペア:

[(1, 205983405), (3, 68661135), (5, 41196681), (9, 22887045), (15, 13732227), (27, 7629015), (45, 4577409), (81, 2543005), (135, 1525803), (139, 1481895), (405, 508601), (417, 493965), (695, 296379), (1251, 164655), (2085, 98793), (3659, 56295), (3753, 54885), (6255, 32931), (10977, 18765), (11259, 18295)]