209859645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{7283}}^1$

素因数の和:7421

約数の個数: 32

約数和(自身を含む): 358722432

約数和(自身を除く): 148862787

約数列:

[1, 3, 5, 15, 17, 51, 85, 113, 255, 339, 565, 1695, 1921, 5763, 7283, 9605, 21849, 28815, 36415, 109245, 123811, 371433, 619055, 822979, 1857165, 2468937, 4114895, 12344685, 13990643, 41971929, 69953215, 209859645]

約数ペア:

[(1, 209859645), (3, 69953215), (5, 41971929), (15, 13990643), (17, 12344685), (51, 4114895), (85, 2468937), (113, 1857165), (255, 822979), (339, 619055), (565, 371433), (1695, 123811), (1921, 109245), (5763, 36415), (7283, 28815), (9605, 21849)]