201815415

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1871}}^1$

素因数の和:1949

約数の個数: 64

約数和(自身を含む): 388177920

約数和(自身を除く): 186362505

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 47, 51, 85, 135, 141, 153, 235, 255, 423, 459, 705, 765, 799, 1269, 1871, 2115, 2295, 2397, 3995, 5613, 6345, 7191, 9355, 11985, 16839, 21573, 28065, 31807, 35955, 50517, 84195, 87937, 95421, 107865, 159035, 252585, 263811, 286263, 439685, 477105, 791433, 858789, 1319055, 1431315, 1494929, 2374299, 3957165, 4293945, 4484787, 7474645, 11871495, 13454361, 22423935, 40363083, 67271805, 201815415]

約数ペア:

[(1, 201815415), (3, 67271805), (5, 40363083), (9, 22423935), (15, 13454361), (17, 11871495), (27, 7474645), (45, 4484787), (47, 4293945), (51, 3957165), (85, 2374299), (135, 1494929), (141, 1431315), (153, 1319055), (235, 858789), (255, 791433), (423, 477105), (459, 439685), (705, 286263), (765, 263811), (799, 252585), (1269, 159035), (1871, 107865), (2115, 95421), (2295, 87937), (2397, 84195), (3995, 50517), (5613, 35955), (6345, 31807), (7191, 28065), (9355, 21573), (11985, 16839)]