201121645

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{601}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 266305536

約数和(自身を除く): 65183891

約数列:

[1, 5, 17, 31, 85, 127, 155, 527, 601, 635, 2159, 2635, 3005, 3937, 10217, 10795, 18631, 19685, 51085, 66929, 76327, 93155, 316727, 334645, 381635, 1297559, 1583635, 2366137, 6487795, 11830685, 40224329, 201121645]

約数ペア:

[(1, 201121645), (5, 40224329), (17, 11830685), (31, 6487795), (85, 2366137), (127, 1583635), (155, 1297559), (527, 381635), (601, 334645), (635, 316727), (2159, 93155), (2635, 76327), (3005, 66929), (3937, 51085), (10217, 19685), (10795, 18631)]