17996535

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 32587776

約数和(自身を除く): 14591241

約数列:

[1, 3, 5, 9, 15, 45, 47, 67, 127, 141, 201, 235, 335, 381, 423, 603, 635, 705, 1005, 1143, 1905, 2115, 3015, 3149, 5715, 5969, 8509, 9447, 15745, 17907, 25527, 28341, 29845, 42545, 47235, 53721, 76581, 89535, 127635, 141705, 268605, 382905, 399923, 1199769, 1999615, 3599307, 5998845, 17996535]

約数ペア:

[(1, 17996535), (3, 5998845), (5, 3599307), (9, 1999615), (15, 1199769), (45, 399923), (47, 382905), (67, 268605), (127, 141705), (141, 127635), (201, 89535), (235, 76581), (335, 53721), (381, 47235), (423, 42545), (603, 29845), (635, 28341), (705, 25527), (1005, 17907), (1143, 15745), (1905, 9447), (2115, 8509), (3015, 5969), (3149, 5715)]