205797105

素因数分解:

$3^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1889}}^1$

素因数の和:2175

約数の個数: 40

約数和(自身を含む): 370477800

約数和(自身を除く): 164680695

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 269, 405, 807, 1345, 1889, 2421, 4035, 5667, 7263, 9445, 12105, 17001, 21789, 28335, 36315, 51003, 85005, 108945, 153009, 255015, 508141, 765045, 1524423, 2540705, 4573269, 7622115, 13719807, 22866345, 41159421, 68599035, 205797105]

約数ペア:

[(1, 205797105), (3, 68599035), (5, 41159421), (9, 22866345), (15, 13719807), (27, 7622115), (45, 4573269), (81, 2540705), (135, 1524423), (269, 765045), (405, 508141), (807, 255015), (1345, 153009), (1889, 108945), (2421, 85005), (4035, 51003), (5667, 36315), (7263, 28335), (9445, 21789), (12105, 17001)]