205998525

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{5003}}^1$

素因数の和:5083

約数の個数: 48

約数和(自身を含む): 384707520

約数和(自身を除く): 178708995

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 135, 183, 225, 305, 549, 675, 915, 1525, 1647, 2745, 4575, 5003, 8235, 13725, 15009, 25015, 41175, 45027, 75045, 125075, 135081, 225135, 305183, 375225, 675405, 915549, 1125675, 1525915, 2746647, 3377025, 4577745, 7629575, 8239941, 13733235, 22888725, 41199705, 68666175, 205998525]

約数ペア:

[(1, 205998525), (3, 68666175), (5, 41199705), (9, 22888725), (15, 13733235), (25, 8239941), (27, 7629575), (45, 4577745), (61, 3377025), (75, 2746647), (135, 1525915), (183, 1125675), (225, 915549), (305, 675405), (549, 375225), (675, 305183), (915, 225135), (1525, 135081), (1647, 125075), (2745, 75045), (4575, 45027), (5003, 41175), (8235, 25015), (13725, 15009)]